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51830912 = 27757847
BaseRepresentation
bin1100010110111…
…0000010000000
310121112021122102
43011232002000
5101232042122
65050525532
71166361350
oct305560200
9117467572
1051830912
1127291371
12154368a8
13a9798a3
146c52b60
15483c492
hex316e080

51830912 has 32 divisors (see below), whose sum is σ = 118009920. Its totient is φ = 22212864.

The previous prime is 51830899. The next prime is 51830941. The reversal of 51830912 is 21903815.

It is a tau number, because it is divible by the number of its divisors (32).

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, 28028 + ... + 29819.

It is an arithmetic number, because the mean of its divisors is an integer number (3687810).

Almost surely, 251830912 is an apocalyptic number.

It is an amenable number.

51830912 is an abundant number, since it is smaller than the sum of its proper divisors (66179008).

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

51830912 is an equidigital number, since it uses as much as digits as its factorization.

51830912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57868 (or 57856 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 51830912 is about 7199.3688612267. The cubic root of 51830912 is about 372.8461104526.

The spelling of 51830912 in words is "fifty-one million, eight hundred thirty thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 57847 115694 231388 404929 462776 809858 925552 1619716 1851104 3239432 3702208 6478864 7404416 12957728 25915456 51830912