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51110425 = 525693593
BaseRepresentation
bin1100001011111…
…0001000011001
310120011200022201
43002332020121
5101041013200
65023250201
71160300662
oct302761031
9116150281
1051110425
112693a023
1215149961
13a786972
146b06369
154748c6a
hex30be219

51110425 has 12 divisors (see below), whose sum is σ = 63505980. Its totient is φ = 40805120.

The previous prime is 51110419. The next prime is 51110459. The reversal of 51110425 is 52401115.

It can be written as a sum of positive squares in 6 ways, for example, as 8456464 + 42653961 = 2908^2 + 6531^2 .

It is not a de Polignac number, because 51110425 - 217 = 50979353 is a prime.

It is a super-2 number, since 2×511104252 = 5224551087361250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12429 + ... + 16021.

It is an arithmetic number, because the mean of its divisors is an integer number (5292165).

Almost surely, 251110425 is an apocalyptic number.

It is an amenable number.

51110425 is a deficient number, since it is larger than the sum of its proper divisors (12395555).

51110425 is a wasteful number, since it uses less digits than its factorization.

51110425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 51110425 is about 7149.1555445381. The cubic root of 51110425 is about 371.1104332407.

The spelling of 51110425 in words is "fifty-one million, one hundred ten thousand, four hundred twenty-five".

Divisors: 1 5 25 569 2845 3593 14225 17965 89825 2044417 10222085 51110425