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675688036 = 224123172
BaseRepresentation
bin101000010001100…
…010111001100100
31202002102111201211
4220101202321210
52340434004121
6151014201204
722513152652
oct5021427144
91662374654
10675688036
11317454471
1216a353204
13a9ca940a
1465a49dd2
153e4bdce1
hex28462e64

675688036 has 27 divisors (see below), whose sum is σ = 1215833227. Its totient is φ = 328564160.

The previous prime is 675688021. The next prime is 675688067. The reversal of 675688036 is 630886576.

It is a happy number.

The square root of 675688036 is 25994.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 542424100 + 133263936 = 23290^2 + 11544^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2131350 + ... + 2131666.

Almost surely, 2675688036 is an apocalyptic number.

675688036 is the 25994-th square number.

It is an amenable number.

675688036 is a deficient number, since it is larger than the sum of its proper divisors (540145191).

675688036 is an equidigital number, since it uses as much as digits as its factorization.

675688036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The cubic root of 675688036 is about 877.5032690630.

Multiplying 675688036 by its sum of digits (49), we get a square (33108713764 = 1819582).

The spelling of 675688036 in words is "six hundred seventy-five million, six hundred eighty-eight thousand, thirty-six".

Divisors: 1 2 4 41 82 164 317 634 1268 1681 3362 6724 12997 25994 51988 100489 200978 401956 532877 1065754 2131508 4120049 8240098 16480196 168922009 337844018 675688036