Search a number
-
+
630363613 = 1157305783
BaseRepresentation
bin100101100100101…
…001010111011101
31121221010210022111
4211210221113131
52242333113423
6142314514021
721423000535
oct4544512735
91557123274
10630363613
112a3907570
12157135911
13a079a229
145da0c4c5
153a51960d
hex259295dd

630363613 has 4 divisors (see below), whose sum is σ = 687669408. Its totient is φ = 573057820.

The previous prime is 630363581. The next prime is 630363619. The reversal of 630363613 is 316363036.

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 630363613 - 25 = 630363581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630363619) 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, 28652881 + ... + 28652902.

It is an arithmetic number, because the mean of its divisors is an integer number (171917352).

Almost surely, 2630363613 is an apocalyptic number.

It is an amenable number.

630363613 is a deficient number, since it is larger than the sum of its proper divisors (57305795).

630363613 is a wasteful number, since it uses less digits than its factorization.

630363613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57305794.

The product of its (nonzero) digits is 17496, while the sum is 31.

The square root of 630363613 is about 25107.0430955141. The cubic root of 630363613 is about 857.4267832666.

The spelling of 630363613 in words is "six hundred thirty million, three hundred sixty-three thousand, six hundred thirteen".

Divisors: 1 11 57305783 630363613