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630652085 = 5719948349
BaseRepresentation
bin100101100101101…
…111110010110101
31121221200110000122
4211211233302311
52242421331320
6142325021325
721425311550
oct4545576265
91557613018
10630652085
112a3a94278
12157254845
13a086b61b
145da85697
153a574d25
hex2596fcb5

630652085 has 16 divisors (see below), whose sum is σ = 910416000. Its totient is φ = 409686336.

The previous prime is 630652073. The next prime is 630652093. The reversal of 630652085 is 580256036.

It is a cyclic number.

It is not a de Polignac number, because 630652085 - 28 = 630651829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473510 + ... + 474839.

It is an arithmetic number, because the mean of its divisors is an integer number (56901000).

Almost surely, 2630652085 is an apocalyptic number.

It is an amenable number.

630652085 is a deficient number, since it is larger than the sum of its proper divisors (279763915).

630652085 is a wasteful number, since it uses less digits than its factorization.

630652085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948380.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 630652085 is about 25112.7872805868. The cubic root of 630652085 is about 857.5575574701.

The spelling of 630652085 in words is "six hundred thirty million, six hundred fifty-two thousand, eighty-five".

Divisors: 1 5 7 19 35 95 133 665 948349 4741745 6638443 18018631 33192215 90093155 126130417 630652085