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630641034 = 23288739499
BaseRepresentation
bin100101100101101…
…101000110001010
31121221122212212100
4211211231012022
52242421003114
6142324454230
721425234412
oct4545550612
91557585770
10630641034
112a3a86a41
1215724a376
13a086659a
145da81642
153a571909
hex2596d18a

630641034 has 24 divisors (see below), whose sum is σ = 1367964000. Its totient is φ = 209971368.

The previous prime is 630641023. The next prime is 630641069. The reversal of 630641034 is 430146036.

It is a super-2 number, since 2×6306410342 = 795416227529178312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630640989 and 630641007.

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, 3784 + ... + 35715.

It is an arithmetic number, because the mean of its divisors is an integer number (56998500).

Almost surely, 2630641034 is an apocalyptic number.

630641034 is an abundant number, since it is smaller than the sum of its proper divisors (737322966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630641034 is a wasteful number, since it uses less digits than its factorization.

630641034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40394 (or 40391 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 630641034 is about 25112.5672522743. The cubic root of 630641034 is about 857.5525484093.

The spelling of 630641034 in words is "six hundred thirty million, six hundred forty-one thousand, thirty-four".

Divisors: 1 2 3 6 9 18 887 1774 2661 5322 7983 15966 39499 78998 118497 236994 355491 710982 35035613 70071226 105106839 210213678 315320517 630641034