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630825085 = 51111469547
BaseRepresentation
bin100101100110011…
…010000001111101
31121222000020100001
4211212122001331
52242442400320
6142332434301
721426632122
oct4546320175
91558006301
10630825085
112a40a2250
12157318991
13a08cc2a7
145dacc749
153a5ab20a
hex2599a07d

630825085 has 8 divisors (see below), whose sum is σ = 825807456. Its totient is φ = 458781840.

The previous prime is 630825079. The next prime is 630825089. The reversal of 630825085 is 580528036.

630825085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 630825085 - 25 = 630825053 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 (630825089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5734719 + ... + 5734828.

It is an arithmetic number, because the mean of its divisors is an integer number (103225932).

Almost surely, 2630825085 is an apocalyptic number.

It is an amenable number.

630825085 is a deficient number, since it is larger than the sum of its proper divisors (194982371).

630825085 is a wasteful number, since it uses less digits than its factorization.

630825085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11469563.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 630825085 is about 25116.2315047461. The cubic root of 630825085 is about 857.6359651465.

The spelling of 630825085 in words is "six hundred thirty million, eight hundred twenty-five thousand, eighty-five".

Divisors: 1 5 11 55 11469547 57347735 126165017 630825085