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630875 = 5372103
BaseRepresentation
bin10011010000001011011
31012001101202
42122001123
5130142000
621304415
75235200
oct2320133
91161352
10630875
113a0a93
1226510b
131911cb
14125ca7
15c6dd5
hex9a05b

630875 has 24 divisors (see below), whose sum is σ = 924768. Its totient is φ = 428400.

The previous prime is 630871. The next prime is 630893. The reversal of 630875 is 578036.

It is not a de Polignac number, because 630875 - 22 = 630871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6074 + ... + 6176.

It is an arithmetic number, because the mean of its divisors is an integer number (38532).

2630875 is an apocalyptic number.

630875 is a deficient number, since it is larger than the sum of its proper divisors (293893).

630875 is a wasteful number, since it uses less digits than its factorization.

630875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 630875 is about 794.2764002537. The cubic root of 630875 is about 85.7658585136.

The spelling of 630875 in words is "six hundred thirty thousand, eight hundred seventy-five".

Divisors: 1 5 7 25 35 49 103 125 175 245 515 721 875 1225 2575 3605 5047 6125 12875 18025 25235 90125 126175 630875