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51074125 = 53487839
BaseRepresentation
bin1100001011010…
…1010001001101
310120002211112021
43002311101031
5101033333000
65022410141
71160060104
oct302652115
9116084467
1051074125
1126914823
1215130951
13a77329b
146ad703b
15473d11a
hex30b544d

51074125 has 16 divisors (see below), whose sum is σ = 63947520. Its totient is φ = 40726800.

The previous prime is 51074113. The next prime is 51074131. The reversal of 51074125 is 52147015.

It is not a de Polignac number, because 51074125 - 213 = 51065933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 51074125.

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, 60456 + ... + 61294.

It is an arithmetic number, because the mean of its divisors is an integer number (3996720).

Almost surely, 251074125 is an apocalyptic number.

It is an amenable number.

51074125 is a deficient number, since it is larger than the sum of its proper divisors (12873395).

51074125 is an equidigital number, since it uses as much as digits as its factorization.

51074125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 51074125 is about 7146.6163322232. The cubic root of 51074125 is about 371.0225548923.

The spelling of 51074125 in words is "fifty-one million, seventy-four thousand, one hundred twenty-five".

Divisors: 1 5 25 125 487 839 2435 4195 12175 20975 60875 104875 408593 2042965 10214825 51074125