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630264061 = 790037723
BaseRepresentation
bin100101100100010…
…001000011111101
31121220221201202101
4211210101003331
52242321422221
6142312425101
721422104360
oct4544210375
91556851671
10630264061
112a3849799
121570a8191
13a0763b1b
145d9c40d7
153a4e9d91
hex259110fd

630264061 has 4 divisors (see below), whose sum is σ = 720301792. Its totient is φ = 540226332.

The previous prime is 630263993. The next prime is 630264071. The reversal of 630264061 is 160462036.

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 630264061 - 221 = 628166909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630264071) 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, 45018855 + ... + 45018868.

It is an arithmetic number, because the mean of its divisors is an integer number (180075448).

Almost surely, 2630264061 is an apocalyptic number.

It is an amenable number.

630264061 is a deficient number, since it is larger than the sum of its proper divisors (90037731).

630264061 is an equidigital number, since it uses as much as digits as its factorization.

630264061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90037730.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 630264061 is about 25105.0604659698. The cubic root of 630264061 is about 857.3816436872.

The spelling of 630264061 in words is "six hundred thirty million, two hundred sixty-four thousand, sixty-one".

Divisors: 1 7 90037723 630264061