Base | Representation |
---|---|
bin | 10111001110111… |
… | …100000100110100 |
3 | 1000011110111011200 |
4 | 113032330010310 |
5 | 1244241321202 |
6 | 102402332500 |
7 | 12442114656 |
oct | 2716740464 |
9 | 1004414150 |
10 | 389792052 |
11 | 1900335a1 |
12 | aa65a130 |
13 | 629a91b0 |
14 | 39aa86d6 |
15 | 24348e1c |
hex | 173bc134 |
389792052 has 36 divisors (see below), whose sum is σ = 1061101860. Its totient is φ = 119935872.
The previous prime is 389792021. The next prime is 389792069. The reversal of 389792052 is 250297983.
It can be written as a sum of positive squares in 2 ways, for example, as 28259856 + 361532196 = 5316^2 + 19014^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 389791989 and 389792007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415977 + ... + 416912.
Almost surely, 2389792052 is an apocalyptic number.
It is an amenable number.
389792052 is an abundant number, since it is smaller than the sum of its proper divisors (671309808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389792052 is a wasteful number, since it uses less digits than its factorization.
389792052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 832912 (or 832907 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The square root of 389792052 is about 19743.1520279818. The cubic root of 389792052 is about 730.4844797948.
The spelling of 389792052 in words is "three hundred eighty-nine million, seven hundred ninety-two thousand, fifty-two".
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