Properties of the number 30930:
30930 = 2 × 3 × 5 × 1031 is the 27596th composite number and is squarefree.30930 has 4 distinct prime factors, 16 divisors, 9 antidivisors and 8240 totatives.
30930 has an emirpimes digit sum 15 in base 10.
30930 has a triangular digit sum 15 in base 10.
30930 is the difference of 2 positive pentagonal numbers in 2 ways.
30930 = 42 + 552 + 1672 is the sum of 3 positive squares.
309302 = 185582 + 247442 is the sum of 2 positive squares in 1 way.
309302 is the sum of 3 positive squares.
30930 is a proper divisor of 61910 - 1.
30930 = '30' + '930' is the concatenation of 2 oblong numbers.
30930 is palindromic in (at least) the following bases: 35, 45, -42, and -94.
30930 in base 35 = p8p and consists of only the digits '8' and 'p'.
30930 in base 41 = IGG and consists of only the digits 'G' and 'I'.
30930 in base 44 = Fgg and consists of only the digits 'F' and 'g'.
30930 in base 45 = FCF and consists of only the digits 'C' and 'F'.