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507425 = 5220297
BaseRepresentation
bin1111011111000100001
3221210001112
41323320201
5112214200
614513105
74212242
oct1737041
9853045
10507425
11317266
12205795
13149c69
14d2cc9
15a0535
hex7be21

507425 has 6 divisors (see below), whose sum is σ = 629238. Its totient is φ = 405920.

The previous prime is 507421. The next prime is 507431. The reversal of 507425 is 524705.

It can be written as a sum of positive squares in 3 ways, for example, as 28561 + 478864 = 169^2 + 692^2 .

It is not a de Polignac number, because 507425 - 22 = 507421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 507425.

It is not an unprimeable number, because it can be changed into a prime (507421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10124 + ... + 10173.

It is an arithmetic number, because the mean of its divisors is an integer number (104873).

2507425 is an apocalyptic number.

It is an amenable number.

507425 is a deficient number, since it is larger than the sum of its proper divisors (121813).

507425 is a wasteful number, since it uses less digits than its factorization.

507425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20307 (or 20302 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 507425 is about 712.3377008133. The cubic root of 507425 is about 79.7610054812.

The spelling of 507425 in words is "five hundred seven thousand, four hundred twenty-five".

Divisors: 1 5 25 20297 101485 507425