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679477244 = 22169869311
BaseRepresentation
bin101000011111111…
…111111111111100
31202100120000112212
4220133333333330
52342421232434
6151231315552
722560314135
oct5037777774
91670500485
10679477244
11319602346
1216b67bbb8
13aaa05054
1466354c8c
153e9bb8ce
hex287ffffc

679477244 has 6 divisors (see below), whose sum is σ = 1189085184. Its totient is φ = 339738620.

The previous prime is 679477243. The next prime is 679477303. The reversal of 679477244 is 442774976.

It is a super-2 number, since 2×6794772442 = 923378650227671072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 679477192 and 679477201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679477243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84934652 + ... + 84934659.

It is an arithmetic number, because the mean of its divisors is an integer number (198180864).

Almost surely, 2679477244 is an apocalyptic number.

It is an amenable number.

679477244 is a deficient number, since it is larger than the sum of its proper divisors (509607940).

679477244 is a wasteful number, since it uses less digits than its factorization.

679477244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169869315 (or 169869313 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 50.

The square root of 679477244 is about 26066.7843049349. The cubic root of 679477244 is about 879.1405365558.

The spelling of 679477244 in words is "six hundred seventy-nine million, four hundred seventy-seven thousand, two hundred forty-four".

Divisors: 1 2 4 169869311 339738622 679477244