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630253043 = 7212862307
BaseRepresentation
bin100101100100001…
…110010111110011
31121220221011122022
4211210032113303
52242321044133
6142312302055
721422030300
oct4544162763
91556834568
10630253043
112a3841492
121570a192b
13a075bac4
145d9c00a7
153a4e6998
hex2590e5f3

630253043 has 6 divisors (see below), whose sum is σ = 733151556. Its totient is φ = 540216852.

The previous prime is 630252989. The next prime is 630253067. The reversal of 630253043 is 340352036.

It is not a de Polignac number, because 630253043 - 26 = 630252979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630253543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6431105 + ... + 6431202.

It is an arithmetic number, because the mean of its divisors is an integer number (122191926).

Almost surely, 2630253043 is an apocalyptic number.

630253043 is a deficient number, since it is larger than the sum of its proper divisors (102898513).

630253043 is a wasteful number, since it uses less digits than its factorization.

630253043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12862321 (or 12862314 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 630253043 is about 25104.8410271804. The cubic root of 630253043 is about 857.3766475348.

The spelling of 630253043 in words is "six hundred thirty million, two hundred fifty-three thousand, forty-three".

Divisors: 1 7 49 12862307 90036149 630253043