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428610357 = 3276803339
BaseRepresentation
bin11001100011000…
…001001100110101
31002212111122212200
4121203001030311
51334211012412
6110310335113
713423061610
oct3143011465
91085448780
10428610357
111aaa3733a
12bb65a499
136aa4abc6
1440cd1177
15279659dc
hex198c1335

428610357 has 12 divisors (see below), whose sum is σ = 707547360. Its totient is φ = 244920168.

The previous prime is 428610337. The next prime is 428610373. The reversal of 428610357 is 753016824.

428610357 is a `hidden beast` number, since 4 + 2 + 8 + 610 + 35 + 7 = 666.

It is not a de Polignac number, because 428610357 - 28 = 428610101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428610317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3401607 + ... + 3401732.

It is an arithmetic number, because the mean of its divisors is an integer number (58962280).

Almost surely, 2428610357 is an apocalyptic number.

It is an amenable number.

428610357 is a deficient number, since it is larger than the sum of its proper divisors (278937003).

428610357 is a wasteful number, since it uses less digits than its factorization.

428610357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803352 (or 6803349 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 428610357 is about 20702.9069697953. The cubic root of 428610357 is about 753.9702682073.

The spelling of 428610357 in words is "four hundred twenty-eight million, six hundred ten thousand, three hundred fifty-seven".

Divisors: 1 3 7 9 21 63 6803339 20410017 47623373 61230051 142870119 428610357