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679143216 = 24346330559
BaseRepresentation
bin101000011110101…
…110011100110000
31202022221001100110
4220132232130300
52342330040331
6151220221320
722554423243
oct5036563460
91668831313
10679143216
113193a4394
1216b53a840
13aa918cbb
14662a925a
153e952946
hex287ae730

679143216 has 40 divisors (see below), whose sum is σ = 1758300160. Its totient is φ = 225884736.

The previous prime is 679143211. The next prime is 679143233. The reversal of 679143216 is 612341976.

679143216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6791432162 = 922471015677645312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679143211) 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, 6945 + ... + 37503.

It is an arithmetic number, because the mean of its divisors is an integer number (43957504).

Almost surely, 2679143216 is an apocalyptic number.

It is an amenable number.

679143216 is an abundant number, since it is smaller than the sum of its proper divisors (1079156944).

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

679143216 is a wasteful number, since it uses less digits than its factorization.

679143216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31033 (or 31027 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 679143216 is about 26060.3763595233. The cubic root of 679143216 is about 878.9964524131.

The spelling of 679143216 in words is "six hundred seventy-nine million, one hundred forty-three thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 463 926 1389 1852 2778 3704 5556 7408 11112 22224 30559 61118 91677 122236 183354 244472 366708 488944 733416 1466832 14148817 28297634 42446451 56595268 84892902 113190536 169785804 226381072 339571608 679143216