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630416768 = 275392927
BaseRepresentation
bin100101100100110…
…110010110000000
31121221020111020012
4211210312112000
52242341314033
6142320004052
721423311522
oct4544662600
91557214205
10630416768
112a39434a3
12157160628
13a07b8497
145da23a12
153a52a248
hex25936580

630416768 has 32 divisors (see below), whose sum is σ = 1279618560. Its totient is φ = 309257728.

The previous prime is 630416737. The next prime is 630416771. The reversal of 630416768 is 867614036.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39680 + ... + 53247.

It is an arithmetic number, because the mean of its divisors is an integer number (39988080).

Almost surely, 2630416768 is an apocalyptic number.

It is an amenable number.

630416768 is an abundant number, since it is smaller than the sum of its proper divisors (649201792).

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

630416768 is an equidigital number, since it uses as much as digits as its factorization.

630416768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92994 (or 92982 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 630416768 is about 25108.1016407055. The cubic root of 630416768 is about 857.4508832404.

The spelling of 630416768 in words is "six hundred thirty million, four hundred sixteen thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 53 64 106 128 212 424 848 1696 3392 6784 92927 185854 371708 743416 1486832 2973664 4925131 5947328 9850262 11894656 19700524 39401048 78802096 157604192 315208384 630416768