Base | Representation |
---|---|
bin | 10111001110011… |
… | …110000001100111 |
3 | 1000011020020022222 |
4 | 113032132001213 |
5 | 1244223401332 |
6 | 102355542555 |
7 | 12441063062 |
oct | 2716360147 |
9 | 1004206288 |
10 | 389668967 |
11 | 18aa5a076 |
12 | aa5baa5b |
13 | 6296516c |
14 | 39a758d9 |
15 | 24322712 |
hex | 1739e067 |
389668967 has 32 divisors (see below), whose sum is σ = 444787200. Its totient is φ = 339558912.
The previous prime is 389668933. The next prime is 389668973. The reversal of 389668967 is 769866983.
It is a cyclic number.
It is not a de Polignac number, because 389668967 - 28 = 389668711 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 (389668907) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1672283 + ... + 1672515.
It is an arithmetic number, because the mean of its divisors is an integer number (13899600).
Almost surely, 2389668967 is an apocalyptic number.
389668967 is a deficient number, since it is larger than the sum of its proper divisors (55118233).
389668967 is a wasteful number, since it uses less digits than its factorization.
389668967 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407.
The product of its digits is 23514624, while the sum is 62.
The square root of 389668967 is about 19740.0346250963. The cubic root of 389668967 is about 730.4075831117.
The spelling of 389668967 in words is "three hundred eighty-nine million, six hundred sixty-eight thousand, nine hundred sixty-seven".
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