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51130698 = 2343593359
BaseRepresentation
bin1100001100001…
…1000101001010
310120012201010120
43003003011022
5101042140243
65023524110
71160414043
oct303030512
9116181116
1051130698
1126953283
1215159636
13a792c68
146b0d8ca
15474ec83
hex30c314a

51130698 has 32 divisors (see below), whose sum is σ = 106444800. Its totient is φ = 16360176.

The previous prime is 51130643. The next prime is 51130711. The reversal of 51130698 is 89603115.

It is a super-2 number, since 2×511306982 = 5228696555934408, which contains 22 as substring.

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, 13543 + ... + 16901.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 251130698 is an apocalyptic number.

51130698 is an abundant number, since it is smaller than the sum of its proper divisors (55314102).

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

51130698 is a wasteful number, since it uses less digits than its factorization.

51130698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 51130698 is about 7150.5732637321. The cubic root of 51130698 is about 371.1594938599.

The spelling of 51130698 in words is "fifty-one million, one hundred thirty thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 43 59 86 118 129 177 258 354 2537 3359 5074 6718 7611 10077 15222 20154 144437 198181 288874 396362 433311 594543 866622 1189086 8521783 17043566 25565349 51130698