Search a number
-
+
331157076 = 223171623319
BaseRepresentation
bin10011101111010…
…000111001010100
3212002010112002220
4103233100321110
51134234011301
652505502340
711130534345
oct2357207124
9762115086
10331157076
1115aa25238
1292aa19b0
13537b9643
1431da40cc
151e115936
hex13bd0e54

331157076 has 24 divisors (see below), whose sum is σ = 818153280. Its totient is φ = 103892352.

The previous prime is 331157063. The next prime is 331157107. The reversal of 331157076 is 670751133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811456 + ... + 811863.

It is an arithmetic number, because the mean of its divisors is an integer number (34089720).

Almost surely, 2331157076 is an apocalyptic number.

It is an amenable number.

331157076 is an abundant number, since it is smaller than the sum of its proper divisors (486996204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331157076 is a wasteful number, since it uses less digits than its factorization.

331157076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623343 (or 1623341 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 331157076 is about 18197.7217255348. The cubic root of 331157076 is about 691.8490460043.

The spelling of 331157076 in words is "three hundred thirty-one million, one hundred fifty-seven thousand, seventy-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1623319 3246638 4869957 6493276 9739914 19479828 27596423 55192846 82789269 110385692 165578538 331157076