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51134657 = 7172411783
BaseRepresentation
bin1100001100010…
…0000011000001
310120012220120012
43003010003001
5101042302112
65023554305
71160431430
oct303040301
9116186505
1051134657
1126956252
121515b995
13a7949c2
146b11117
154751022
hex30c40c1

51134657 has 16 divisors (see below), whose sum is σ = 62168832. Its totient is φ = 41057280.

The previous prime is 51134641. The next prime is 51134669. The reversal of 51134657 is 75643115.

It is a cyclic number.

It is not a de Polignac number, because 51134657 - 24 = 51134641 is a prime.

It is a super-2 number, since 2×511346572 = 5229506293015298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51134357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27788 + ... + 29570.

It is an arithmetic number, because the mean of its divisors is an integer number (3885552).

Almost surely, 251134657 is an apocalyptic number.

It is an amenable number.

51134657 is a deficient number, since it is larger than the sum of its proper divisors (11034175).

51134657 is a wasteful number, since it uses less digits than its factorization.

51134657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048.

The product of its digits is 12600, while the sum is 32.

The square root of 51134657 is about 7150.8500893250. The cubic root of 51134657 is about 371.1690731184.

The spelling of 51134657 in words is "fifty-one million, one hundred thirty-four thousand, six hundred fifty-seven".

Divisors: 1 7 17 119 241 1687 1783 4097 12481 28679 30311 212177 429703 3007921 7304951 51134657