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630112393 = 2327396191
BaseRepresentation
bin100101100011101…
…100000010001001
31121220200000201001
4211203230002021
52242302044033
6142305255001
721420603241
oct4543540211
91556600631
10630112393
112a3755849
12157034461
13a070ca91
145d984b21
153a4b9e7d
hex258ec089

630112393 has 4 divisors (see below), whose sum is σ = 657508608. Its totient is φ = 602716180.

The previous prime is 630112391. The next prime is 630112397. The reversal of 630112393 is 393211036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630112393 - 21 = 630112391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630112391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13698073 + ... + 13698118.

It is an arithmetic number, because the mean of its divisors is an integer number (164377152).

Almost surely, 2630112393 is an apocalyptic number.

It is an amenable number.

630112393 is a deficient number, since it is larger than the sum of its proper divisors (27396215).

630112393 is a wasteful number, since it uses less digits than its factorization.

630112393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27396214.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 630112393 is about 25102.0396183258. The cubic root of 630112393 is about 857.3128641606.

The spelling of 630112393 in words is "six hundred thirty million, one hundred twelve thousand, three hundred ninety-three".

Divisors: 1 23 27396191 630112393