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51351036 = 22311389023
BaseRepresentation
bin1100001111100…
…0110111111100
310120121220101020
43003320313330
5101121213121
65032344140
71162322322
oct303706774
9116556336
1051351036
1126a93880
1215245050
13a83c339
146b69d12
1547951c6
hex30f8dfc

51351036 has 24 divisors (see below), whose sum is σ = 130712064. Its totient is φ = 15560880.

The previous prime is 51350989. The next prime is 51351043. The reversal of 51351036 is 63015315.

It is a junction number, because it is equal to n+sod(n) for n = 51350997 and 51351015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194380 + ... + 194643.

It is an arithmetic number, because the mean of its divisors is an integer number (5446336).

Almost surely, 251351036 is an apocalyptic number.

It is an amenable number.

51351036 is an abundant number, since it is smaller than the sum of its proper divisors (79361028).

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

51351036 is a wasteful number, since it uses less digits than its factorization.

51351036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389041 (or 389039 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 51351036 is about 7165.9637174633. The cubic root of 51351036 is about 371.6918768942.

The spelling of 51351036 in words is "fifty-one million, three hundred fifty-one thousand, thirty-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 389023 778046 1167069 1556092 2334138 4279253 4668276 8558506 12837759 17117012 25675518 51351036