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679281125 = 5353102533
BaseRepresentation
bin101000011111010…
…000000111100101
31202100012001112012
4220133100013211
52342343444000
6151223204005
722555536305
oct5037200745
91670161465
10679281125
11319488a66
1216b5a6605
13aa9669c3
1466303605
153e97d735
hex287d01e5

679281125 has 16 divisors (see below), whose sum is σ = 863746416. Its totient is φ = 533166400.

The previous prime is 679281107. The next prime is 679281131. The reversal of 679281125 is 521182976.

It can be written as a sum of positive squares in 8 ways, for example, as 190384804 + 488896321 = 13798^2 + 22111^2 .

It is not a de Polignac number, because 679281125 - 222 = 675086821 is a prime.

It is a super-2 number, since 2×6792811252 = 922845693562531250, which contains 22 as substring.

It is a Duffinian number.

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, 44642 + ... + 57891.

It is an arithmetic number, because the mean of its divisors is an integer number (53984151).

Almost surely, 2679281125 is an apocalyptic number.

It is an amenable number.

679281125 is a deficient number, since it is larger than the sum of its proper divisors (184465291).

679281125 is a wasteful number, since it uses less digits than its factorization.

679281125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102601 (or 102591 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 679281125 is about 26063.0221770231. The cubic root of 679281125 is about 879.0559456661.

The spelling of 679281125 in words is "six hundred seventy-nine million, two hundred eighty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 53 125 265 1325 6625 102533 512665 2563325 5434249 12816625 27171245 135856225 679281125