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630064912 = 2439379057
BaseRepresentation
bin100101100011100…
…000011100010000
31121220120121120111
4211203200130100
52242244034122
6142304251104
721420314641
oct4543403420
91556517514
10630064912
112a3723104
12157010a94
13a06c4299
145d9716c8
153a4aad77
hex258e0710

630064912 has 10 divisors (see below), whose sum is σ = 1220750798. Its totient is φ = 315032448.

The previous prime is 630064891. The next prime is 630064937. The reversal of 630064912 is 219460036.

It can be written as a sum of positive squares in only one way, i.e., 531579136 + 98485776 = 23056^2 + 9924^2 .

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 as a sum of consecutive naturals, namely, 19689513 + ... + 19689544.

Almost surely, 2630064912 is an apocalyptic number.

It is an amenable number.

630064912 is a deficient number, since it is larger than the sum of its proper divisors (590685886).

630064912 is a wasteful number, since it uses less digits than its factorization.

630064912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39379065 (or 39379059 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 630064912 is about 25101.0938407074. The cubic root of 630064912 is about 857.2913298571.

The spelling of 630064912 in words is "six hundred thirty million, sixty-four thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 39379057 78758114 157516228 315032456 630064912