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630275460 = 223510504591
BaseRepresentation
bin100101100100010…
…011110110000100
31121220222022101120
4211210103312010
52242322303320
6142312553540
721422152533
oct4544236604
91556868346
10630275460
112a3857311
121570b28b0
13a0769079
145d9c831a
153a4ed440
hex25913d84

630275460 has 24 divisors (see below), whose sum is σ = 1764771456. Its totient is φ = 168073440.

The previous prime is 630275447. The next prime is 630275461. The reversal of 630275460 is 64572036.

It is not an unprimeable number, because it can be changed into a prime (630275461) 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, 5252236 + ... + 5252355.

It is an arithmetic number, because the mean of its divisors is an integer number (73532144).

Almost surely, 2630275460 is an apocalyptic number.

630275460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

630275460 is an abundant number, since it is smaller than the sum of its proper divisors (1134495996).

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

630275460 is a wasteful number, since it uses less digits than its factorization.

630275460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10504603 (or 10504601 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 630275460 is about 25105.2874908853. The cubic root of 630275460 is about 857.3868125443.

The spelling of 630275460 in words is "six hundred thirty million, two hundred seventy-five thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 10504591 21009182 31513773 42018364 52522955 63027546 105045910 126055092 157568865 210091820 315137730 630275460