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630273252 = 22377503253
BaseRepresentation
bin100101100100010…
…011010011100100
31121220222012100210
4211210103103210
52242322221002
6142312535420
721422143230
oct4544232344
91556865323
10630273252
112a3855694
121570b1570
13a076806b
145d9c75c0
153a4ec96c
hex259134e4

630273252 has 24 divisors (see below), whose sum is σ = 1680728896. Its totient is φ = 180078048.

The previous prime is 630273227. The next prime is 630273253. The reversal of 630273252 is 252372036.

It is not an unprimeable number, because it can be changed into a prime (630273253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3751543 + ... + 3751710.

Almost surely, 2630273252 is an apocalyptic number.

It is an amenable number.

630273252 is an abundant number, since it is smaller than the sum of its proper divisors (1050455644).

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

630273252 is a wasteful number, since it uses less digits than its factorization.

630273252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503267 (or 7503265 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 630273252 is about 25105.2435160466. The cubic root of 630273252 is about 857.3858113353.

The spelling of 630273252 in words is "six hundred thirty million, two hundred seventy-three thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 7503253 15006506 22509759 30013012 45019518 52522771 90039036 105045542 157568313 210091084 315136626 630273252