Base | Representation |
---|---|
bin | 10111001111001… |
… | …011110000100110 |
3 | 1000011120202022000 |
4 | 113033023300212 |
5 | 1244300400134 |
6 | 102403550130 |
7 | 12442503162 |
oct | 2717136046 |
9 | 1004522260 |
10 | 389856294 |
11 | 190077893 |
12 | aa68b346 |
13 | 629cc4c9 |
14 | 39ac3ca2 |
15 | 2435ce99 |
hex | 173cbc26 |
389856294 has 16 divisors (see below), whose sum is σ = 866347440. Its totient is φ = 129952080.
The previous prime is 389856253. The next prime is 389856329. The reversal of 389856294 is 492658983.
389856294 is a `hidden beast` number, since 3 + 8 + 9 + 8 + 5 + 629 + 4 = 666.
It is a super-3 number, since 3×3898562943 (a number of 27 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 7219561 = 389856294 / (3 + 8 + 9 + 8 + 5 + 6 + 2 + 9 + 4).
It is a self number, because there is not a number n which added to its sum of digits gives 389856294.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3609727 + ... + 3609834.
It is an arithmetic number, because the mean of its divisors is an integer number (54146715).
Almost surely, 2389856294 is an apocalyptic number.
389856294 is an abundant number, since it is smaller than the sum of its proper divisors (476491146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389856294 is a wasteful number, since it uses less digits than its factorization.
389856294 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7219572 (or 7219566 counting only the distinct ones).
The product of its digits is 3732480, while the sum is 54.
The square root of 389856294 is about 19744.7789048143. The cubic root of 389856294 is about 730.5246082051.
The spelling of 389856294 in words is "three hundred eighty-nine million, eight hundred fifty-six thousand, two hundred ninety-four".
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