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630394612 = 221718115119
BaseRepresentation
bin100101100100110…
…000111011110100
31121221012100211121
4211210300323310
52242340111422
6142315313324
721423160111
oct4544607364
91557170747
10630394612
112a3928891
1215714b844
13a07ab383
145da19908
153a5238c7
hex25930ef4

630394612 has 24 divisors (see below), whose sum is σ = 1168957440. Its totient is φ = 296434560.

The previous prime is 630394601. The next prime is 630394613. The reversal of 630394612 is 216493036.

It is a happy number.

630394612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630394613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120589 + ... + 125707.

It is an arithmetic number, because the mean of its divisors is an integer number (48706560).

Almost surely, 2630394612 is an apocalyptic number.

It is an amenable number.

630394612 is a deficient number, since it is larger than the sum of its proper divisors (538562828).

630394612 is a wasteful number, since it uses less digits than its factorization.

630394612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951 (or 6949 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 630394612 is about 25107.6604246592. The cubic root of 630394612 is about 857.4408380844.

The spelling of 630394612 in words is "six hundred thirty million, three hundred ninety-four thousand, six hundred twelve".

Divisors: 1 2 4 17 34 68 1811 3622 5119 7244 10238 20476 30787 61574 87023 123148 174046 348092 9270509 18541018 37082036 157598653 315197306 630394612