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679044272 = 24231845229
BaseRepresentation
bin101000011110010…
…110010010110000
31202022202000121212
4220132112102300
52342313404042
6151214135252
722553531624
oct5036262260
91668660555
10679044272
11319337015
1216b4b1528
13aa8b2c5a
1466281184
153e933482
hex287964b0

679044272 has 20 divisors (see below), whose sum is σ = 1372851120. Its totient is φ = 324760128.

The previous prime is 679044269. The next prime is 679044281. The reversal of 679044272 is 272440976.

It is a super-2 number, since 2×6790442722 = 922202246672019968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922247 + ... + 922982.

It is an arithmetic number, because the mean of its divisors is an integer number (68642556).

Almost surely, 2679044272 is an apocalyptic number.

It is an amenable number.

679044272 is an abundant number, since it is smaller than the sum of its proper divisors (693806848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679044272 is a wasteful number, since it uses less digits than its factorization.

679044272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845260 (or 1845254 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 679044272 is about 26058.4779294570. The cubic root of 679044272 is about 878.9537635041.

The spelling of 679044272 in words is "six hundred seventy-nine million, forty-four thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 1845229 3690458 7380916 14761832 29523664 42440267 84880534 169761068 339522136 679044272