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630925634 = 21507320929
BaseRepresentation
bin100101100110110…
…010100101000010
31121222012100021002
4211212302211002
52243004110014
6142334532002
721430531223
oct4546624502
91558170232
10630925634
112a4160849
12157367002
13a0935ca1
145db1724a
153a5cadde
hex259b2942

630925634 has 8 divisors (see below), whose sum is σ = 946496460. Its totient is φ = 315426816.

The previous prime is 630925613. The next prime is 630925643. The reversal of 630925634 is 436529036.

It can be written as a sum of positive squares in 2 ways, for example, as 630763225 + 162409 = 25115^2 + 403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19682 + ... + 40610.

Almost surely, 2630925634 is an apocalyptic number.

630925634 is a deficient number, since it is larger than the sum of its proper divisors (315570826).

630925634 is a wasteful number, since it uses less digits than its factorization.

630925634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36004.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 630925634 is about 25118.2330986875. The cubic root of 630925634 is about 857.6815297355.

The spelling of 630925634 in words is "six hundred thirty million, nine hundred twenty-five thousand, six hundred thirty-four".

Divisors: 1 2 15073 20929 30146 41858 315462817 630925634