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331928630 = 251122913177
BaseRepresentation
bin10011110010001…
…101010000110110
3212010120201110222
4103302031100312
51134433204010
652534214342
711140226645
oct2362152066
9763521428
10331928630
11160401990
12931b43b2
13539c9897
143212535c
151e219355
hex13c8d436

331928630 has 32 divisors (see below), whose sum is σ = 654683040. Its totient is φ = 120165120.

The previous prime is 331928599. The next prime is 331928657. The reversal of 331928630 is 36829133.

It is a super-2 number, since 2×3319286302 = 220353230827353800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18602 + ... + 31778.

It is an arithmetic number, because the mean of its divisors is an integer number (20458845).

Almost surely, 2331928630 is an apocalyptic number.

331928630 is a deficient number, since it is larger than the sum of its proper divisors (322754410).

331928630 is a wasteful number, since it uses less digits than its factorization.

331928630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13424.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 331928630 is about 18218.9085842155. The cubic root of 331928630 is about 692.3859361107.

The spelling of 331928630 in words is "three hundred thirty-one million, nine hundred twenty-eight thousand, six hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 229 458 1145 2290 2519 5038 12595 13177 25190 26354 65885 131770 144947 289894 724735 1449470 3017533 6035066 15087665 30175330 33192863 66385726 165964315 331928630