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630315832 = 23125962581
BaseRepresentation
bin100101100100011…
…101101100111000
31121221001100202211
4211210131230320
52242330101312
6142313504504
721422411326
oct4544355470
91557040684
10630315832
112a3884683
12157112134
13a0781563
145d9d8d16
153a50a3a7
hex2591db38

630315832 has 16 divisors (see below), whose sum is σ = 1182799800. Its totient is φ = 314902560.

The previous prime is 630315809. The next prime is 630315863. The reversal of 630315832 is 238513036.

630315832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 630315794 and 630315803.

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, 21219 + ... + 41362.

Almost surely, 2630315832 is an apocalyptic number.

It is an amenable number.

630315832 is a deficient number, since it is larger than the sum of its proper divisors (552483968).

630315832 is a wasteful number, since it uses less digits than its factorization.

630315832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63846 (or 63842 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 630315832 is about 25106.0915317379. The cubic root of 630315832 is about 857.4051186572.

Adding to 630315832 its reverse (238513036), we get a palindrome (868828868).

The spelling of 630315832 in words is "six hundred thirty million, three hundred fifteen thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 1259 2518 5036 10072 62581 125162 250324 500648 78789479 157578958 315157916 630315832