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51228588 = 2234269049
BaseRepresentation
bin1100001101101…
…0111110101100
310120101200102010
43003122332230
5101103303323
65030001220
71161302325
oct303327654
9116350363
1051228588
1126a0a884
12151a6210
13a7c8698
146b3744c
15476dc93
hex30dafac

51228588 has 12 divisors (see below), whose sum is σ = 119533400. Its totient is φ = 17076192.

The previous prime is 51228563. The next prime is 51228607. The reversal of 51228588 is 88582215.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134513 + ... + 2134536.

Almost surely, 251228588 is an apocalyptic number.

It is an amenable number.

51228588 is an abundant number, since it is smaller than the sum of its proper divisors (68304812).

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

51228588 is a wasteful number, since it uses less digits than its factorization.

51228588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269056 (or 4269054 counting only the distinct ones).

The product of its digits is 51200, while the sum is 39.

The square root of 51228588 is about 7157.4148964553. The cubic root of 51228588 is about 371.3962051538.

The spelling of 51228588 in words is "fifty-one million, two hundred twenty-eight thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 12 4269049 8538098 12807147 17076196 25614294 51228588