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630461012 = 223143317373
BaseRepresentation
bin100101100101000…
…001001001010100
31121221022201220212
4211211001021110
52242344223022
6142320544552
721423554516
oct4545011124
91557281825
10630461012
112a3973765
12157182158
13a080266c
145da35bb6
153a5383e2
hex25941254

630461012 has 48 divisors (see below), whose sum is σ = 1172193792. Its totient is φ = 296231040.

The previous prime is 630461009. The next prime is 630461057. The reversal of 630461012 is 210164036.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1690058 + ... + 1690430.

It is an arithmetic number, because the mean of its divisors is an integer number (24420704).

Almost surely, 2630461012 is an apocalyptic number.

630461012 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

630461012 is a deficient number, since it is larger than the sum of its proper divisors (541732780).

630461012 is a wasteful number, since it uses less digits than its factorization.

630461012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 630461012 is about 25108.9826954419. The cubic root of 630461012 is about 857.4709420181.

The spelling of 630461012 in words is "six hundred thirty million, four hundred sixty-one thousand, twelve".

Divisors: 1 2 4 31 43 62 86 124 172 317 373 634 746 1268 1333 1492 2666 5332 9827 11563 13631 16039 19654 23126 27262 32078 39308 46252 54524 64156 118241 236482 422561 472964 497209 845122 994418 1690244 1988836 3665471 5084363 7330942 10168726 14661884 20337452 157615253 315230506 630461012