Base | Representation |
---|---|
bin | 10111001100010… |
… | …110110011000100 |
3 | 1000010012002112111 |
4 | 113030112303010 |
5 | 1244103140301 |
6 | 102340030404 |
7 | 12433265200 |
oct | 2714266304 |
9 | 1003162474 |
10 | 389115076 |
11 | 18a710a09 |
12 | aa392404 |
13 | 6280000c |
14 | 3996db00 |
15 | 24263551 |
hex | 17316cc4 |
389115076 has 27 divisors (see below), whose sum is σ = 792689709. Its totient is φ = 166645248.
The previous prime is 389115049. The next prime is 389115109. The reversal of 389115076 is 670511983.
The square root of 389115076 is 19726.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 4955076 + 384160000 = 2226^2 + 19600^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 275460 + ... + 276868.
Almost surely, 2389115076 is an apocalyptic number.
389115076 is the 19726-th square number.
It is an amenable number.
389115076 is an abundant number, since it is smaller than the sum of its proper divisors (403574633).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389115076 is an equidigital number, since it uses as much as digits as its factorization.
389115076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2836 (or 1418 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 40.
The cubic root of 389115076 is about 730.0613421900.
The spelling of 389115076 in words is "three hundred eighty-nine million, one hundred fifteen thousand, seventy-six".
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