Base | Representation |
---|---|
bin | 10111001100100… |
… | …011110010100110 |
3 | 1000010021210112112 |
4 | 113030203302212 |
5 | 1244111341134 |
6 | 102341121022 |
7 | 12433606304 |
oct | 2714436246 |
9 | 1003253475 |
10 | 389168294 |
11 | 18a747999 |
12 | aa3b9172 |
13 | 6281b2c8 |
14 | 39985274 |
15 | 242741ce |
hex | 17323ca6 |
389168294 has 32 divisors (see below), whose sum is σ = 620377056. Its totient is φ = 182856960.
The previous prime is 389168293. The next prime is 389168333. The reversal of 389168294 is 492861983.
It is a happy number.
It is a super-2 number, since 2×3891682942 = 302903922109740872, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389168291) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262034 + ... + 263514.
It is an arithmetic number, because the mean of its divisors is an integer number (19386783).
Almost surely, 2389168294 is an apocalyptic number.
389168294 is a deficient number, since it is larger than the sum of its proper divisors (231208762).
389168294 is a wasteful number, since it uses less digits than its factorization.
389168294 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1640.
The product of its digits is 746496, while the sum is 50.
The square root of 389168294 is about 19727.3488842267. The cubic root of 389168294 is about 730.0946233757.
The spelling of 389168294 in words is "three hundred eighty-nine million, one hundred sixty-eight thousand, two hundred ninety-four".
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