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51157162 = 2737611619
BaseRepresentation
bin1100001100100…
…1100010101010
310120021001102201
43003021202222
5101044012122
65024250414
71160554150
oct303114252
9116231381
1051157162
1126971151
1215170a0a
13a7a2014
146b193d0
154757a27
hex30c98aa

51157162 has 32 divisors (see below), whose sum is σ = 91601280. Its totient is φ = 20969280.

The previous prime is 51157153. The next prime is 51157163. The reversal of 51157162 is 26175115.

It is a super-3 number, since 3×511571623 (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51157162.

It is not an unprimeable number, because it can be changed into a prime (51157163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30789 + ... + 32407.

It is an arithmetic number, because the mean of its divisors is an integer number (2862540).

Almost surely, 251157162 is an apocalyptic number.

51157162 is a deficient number, since it is larger than the sum of its proper divisors (40444118).

51157162 is a wasteful number, since it uses less digits than its factorization.

51157162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726.

The product of its digits is 2100, while the sum is 28.

The square root of 51157162 is about 7152.4235053582. The cubic root of 51157162 is about 371.2235171774.

The spelling of 51157162 in words is "fifty-one million, one hundred fifty-seven thousand, one hundred sixty-two".

Divisors: 1 2 7 14 37 61 74 122 259 427 518 854 1619 2257 3238 4514 11333 15799 22666 31598 59903 98759 119806 197518 419321 691313 838642 1382626 3654083 7308166 25578581 51157162