Base | Representation |
---|---|
bin | 101000100000000… |
… | …000110001000101 |
3 | 1202100120011212100 |
4 | 220200000301011 |
5 | 2342421333024 |
6 | 151231342313 |
7 | 22560326250 |
oct | 5040006105 |
9 | 1670504770 |
10 | 679480389 |
11 | 319604745 |
12 | 16b681999 |
13 | aaa06603 |
14 | 66356097 |
15 | 3e9bc7c9 |
hex | 28800c45 |
679480389 has 24 divisors (see below), whose sum is σ = 1122717440. Its totient is φ = 387916128.
The previous prime is 679480369. The next prime is 679480493. The reversal of 679480389 is 983084976.
It is not a de Polignac number, because 679480389 - 25 = 679480357 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (679480349) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73572 + ... + 82290.
Almost surely, 2679480389 is an apocalyptic number.
It is an amenable number.
679480389 is a deficient number, since it is larger than the sum of its proper divisors (443237051).
679480389 is a wasteful number, since it uses less digits than its factorization.
679480389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9969 (or 9966 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 54.
The square root of 679480389 is about 26066.8446306798. The cubic root of 679480389 is about 879.1418929381.
The spelling of 679480389 in words is "six hundred seventy-nine million, four hundred eighty thousand, three hundred eighty-nine".
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