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51252627 = 361280069
BaseRepresentation
bin1100001110000…
…0110110010011
310120102220101110
43003200312103
5101110041002
65030304403
71161432366
oct303406623
9116386343
1051252627
1126a26948
12151b8103
13a8065ca
146b420dd
154775e6c
hex30e0d93

51252627 has 8 divisors (see below), whose sum is σ = 69457360. Its totient is φ = 33608160.

The previous prime is 51252623. The next prime is 51252629. The reversal of 51252627 is 72625215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51252627 - 22 = 51252623 is a prime.

It is a super-2 number, since 2×512526272 = 5253663548802258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51252594 and 51252603.

It is not an unprimeable number, because it can be changed into a prime (51252623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139852 + ... + 140217.

It is an arithmetic number, because the mean of its divisors is an integer number (8682170).

Almost surely, 251252627 is an apocalyptic number.

51252627 is a deficient number, since it is larger than the sum of its proper divisors (18204733).

51252627 is a wasteful number, since it uses less digits than its factorization.

51252627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280133.

The product of its digits is 8400, while the sum is 30.

The square root of 51252627 is about 7159.0940069257. The cubic root of 51252627 is about 371.4542885899.

The spelling of 51252627 in words is "fifty-one million, two hundred fifty-two thousand, six hundred twenty-seven".

Divisors: 1 3 61 183 280069 840207 17084209 51252627