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630624463 = 7275117137
BaseRepresentation
bin100101100101101…
…001000011001111
31121221122001010121
4211211221003033
52242414440323
6142324245411
721425135200
oct4545510317
91557561117
10630624463
112a3a75547
12157240867
13a085bb91
145da795a7
153a56ba5d
hex259690cf

630624463 has 12 divisors (see below), whose sum is σ = 734603232. Its totient is φ = 539784000.

The previous prime is 630624461. The next prime is 630624473. The reversal of 630624463 is 364426036.

630624463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630624463 - 21 = 630624461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630624461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28231 + ... + 45367.

It is an arithmetic number, because the mean of its divisors is an integer number (61216936).

Almost surely, 2630624463 is an apocalyptic number.

630624463 is a deficient number, since it is larger than the sum of its proper divisors (103978769).

630624463 is a wasteful number, since it uses less digits than its factorization.

630624463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17902 (or 17895 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 630624463 is about 25112.2373156993. The cubic root of 630624463 is about 857.5450372014.

The spelling of 630624463 in words is "six hundred thirty million, six hundred twenty-four thousand, four hundred sixty-three".

Divisors: 1 7 49 751 5257 17137 36799 119959 839713 12869887 90089209 630624463