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51468156 = 22332916433
BaseRepresentation
bin1100010001010…
…1011101111100
310120211212001000
43010111131330
5101133440111
65035050300
71163320635
oct304253574
9116755030
1051468156
1127063873
12152a0990
13a88073c
146b9a88c
1547b9c56
hex311577c

51468156 has 48 divisors (see below), whose sum is σ = 138045600. Its totient is φ = 16563456.

The previous prime is 51468143. The next prime is 51468229. The reversal of 51468156 is 65186415.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51468156.

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, 5085 + ... + 11348.

It is an arithmetic number, because the mean of its divisors is an integer number (2875950).

Almost surely, 251468156 is an apocalyptic number.

It is an amenable number.

51468156 is an abundant number, since it is smaller than the sum of its proper divisors (86577444).

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

51468156 is a wasteful number, since it uses less digits than its factorization.

51468156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16475 (or 16467 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 51468156 is about 7174.1310275182. The cubic root of 51468156 is about 371.9742437943.

The spelling of 51468156 in words is "fifty-one million, four hundred sixty-eight thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 27 29 36 54 58 87 108 116 174 261 348 522 783 1044 1566 3132 16433 32866 49299 65732 98598 147897 197196 295794 443691 476557 591588 887382 953114 1429671 1774764 1906228 2859342 4289013 5718684 8578026 12867039 17156052 25734078 51468156