Number of the day: 534890172

Joseph Fourier was born on this day 250 years ago.

George David Birkhoff was born on this day 134 years ago.

Properties of the number 534890172:

534890172 = 2² × 3 × 44574181 is the 506796221^th composite number and is not squarefree.
534890172 has 3 distinct prime factors, 12 divisors, 9 antidivisors and 178296720 totatives.
534890172 has an emirpimes digit sum 39 in base 10.
534890172 = 133722544² - 133722542² = 44574184² - 44574178² is the difference of 2 nonnegative squares in 2 ways.
534890172 is the difference of 2 positive pentagonal numbers in 1 way.
534890172 is not the sum of 3 positive squares.
534890172² = 85290480² + 528046428² is the sum of 2 positive squares in 1 way.
534890172² is the sum of 3 positive squares.
534890172 is a proper divisor of 149²¹²²⁵⁸ - 1.
534890172 = '53489017' + '2' is the concatenation of 2 prime numbers.