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331062012 = 223317180317
BaseRepresentation
bin10011101110111…
…001101011111100
3212001221200201000
4103232321223330
51134222441022
652503450300
711126660241
oct2356715374
9761850630
10331062012
1115a96a876
1292a56990
13537852a8
1431d7b5c8
151e0e76ac
hex13bb9afc

331062012 has 48 divisors (see below), whose sum is σ = 908802720. Its totient is φ = 103862016.

The previous prime is 331061993. The next prime is 331062037. The reversal of 331062012 is 210260133.

331062012 is a `hidden beast` number, since 3 + 31 + 0 + 620 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88323 + ... + 91994.

It is an arithmetic number, because the mean of its divisors is an integer number (18933390).

Almost surely, 2331062012 is an apocalyptic number.

It is an amenable number.

331062012 is an abundant number, since it is smaller than the sum of its proper divisors (577740708).

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

331062012 is a wasteful number, since it uses less digits than its factorization.

331062012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180347 (or 180339 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 331062012 is about 18195.1095627369. The cubic root of 331062012 is about 691.7828375120.

The spelling of 331062012 in words is "three hundred thirty-one million, sixty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 102 108 153 204 306 459 612 918 1836 180317 360634 540951 721268 1081902 1622853 2163804 3065389 3245706 4868559 6130778 6491412 9196167 9737118 12261556 18392334 19474236 27588501 36784668 55177002 82765503 110354004 165531006 331062012