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630112508 = 222361311173
BaseRepresentation
bin100101100011101…
…100000011111100
31121220200000212022
4211203230003330
52242302100013
6142305255312
721420603464
oct4543540374
91556600768
10630112508
112a3755943
12157034538
13a070cb4c
145d984ba4
153a4ba008
hex258ec0fc

630112508 has 24 divisors (see below), whose sum is σ = 1152620448. Its totient is φ = 300839616.

The previous prime is 630112501. The next prime is 630112513. The reversal of 630112508 is 805211036.

630112508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630112501) 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, 50810 + ... + 61982.

It is an arithmetic number, because the mean of its divisors is an integer number (48025852).

Almost surely, 2630112508 is an apocalyptic number.

It is an amenable number.

630112508 is a deficient number, since it is larger than the sum of its proper divisors (522507940).

630112508 is a wasteful number, since it uses less digits than its factorization.

630112508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11813 (or 11811 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 630112508 is about 25102.0419089762. The cubic root of 630112508 is about 857.3129163158.

The spelling of 630112508 in words is "six hundred thirty million, one hundred twelve thousand, five hundred eight".

Divisors: 1 2 4 23 46 92 613 1226 2452 11173 14099 22346 28198 44692 56396 256979 513958 1027916 6849049 13698098 27396196 157528127 315056254 630112508