Search a number
-
+
630825007 = 4314670349
BaseRepresentation
bin100101100110011…
…010000000101111
31121222000020020011
4211212122000233
52242442400012
6142332434051
721426631651
oct4546320057
91558006204
10630825007
112a40a218a
12157318927
13a08cc247
145dacc6d1
153a5ab1a7
hex2599a02f

630825007 has 4 divisors (see below), whose sum is σ = 645495400. Its totient is φ = 616154616.

The previous prime is 630824959. The next prime is 630825011. The reversal of 630825007 is 700528036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630825007 - 27 = 630824879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630825007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630825037) 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, 7335132 + ... + 7335217.

It is an arithmetic number, because the mean of its divisors is an integer number (161373850).

Almost surely, 2630825007 is an apocalyptic number.

630825007 is a deficient number, since it is larger than the sum of its proper divisors (14670393).

630825007 is a wasteful number, since it uses less digits than its factorization.

630825007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14670392.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 630825007 is about 25116.2299519653. The cubic root of 630825007 is about 857.6359297982.

The spelling of 630825007 in words is "six hundred thirty million, eight hundred twenty-five thousand, seven".

Divisors: 1 43 14670349 630825007