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331489296 = 24322302009
BaseRepresentation
bin10011110000100…
…010000000010000
3212002202101211100
4103300202000100
51134330124141
652520544400
711133420045
oct2360420020
9762671740
10331489296
111601318a6
1293022100
13538a4918
143204d1cc
151e17e0b6
hex13c22010

331489296 has 30 divisors (see below), whose sum is σ = 927710030. Its totient is φ = 110496384.

The previous prime is 331489259. The next prime is 331489313. The reversal of 331489296 is 692984133.

It is a happy number.

331489296 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 195440400 + 136048896 = 13980^2 + 11664^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1150861 + ... + 1151148.

Almost surely, 2331489296 is an apocalyptic number.

331489296 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

331489296 is an abundant number, since it is smaller than the sum of its proper divisors (596220734).

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

331489296 is a wasteful number, since it uses less digits than its factorization.

331489296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302023 (or 2302014 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 331489296 is about 18206.8475030687. The cubic root of 331489296 is about 692.0803252453.

The spelling of 331489296 in words is "three hundred thirty-one million, four hundred eighty-nine thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 2302009 4604018 6906027 9208036 13812054 18416072 20718081 27624108 36832144 41436162 55248216 82872324 110496432 165744648 331489296