Base | Representation |
---|---|
bin | 10111001100010… |
… | …100001111101111 |
3 | 1000010011120012100 |
4 | 113030110033233 |
5 | 1244102321443 |
6 | 102335510143 |
7 | 12433222545 |
oct | 2714241757 |
9 | 1003146170 |
10 | 389104623 |
11 | 18a704076 |
12 | aa388353 |
13 | 627c832b |
14 | 39969d95 |
15 | 242603d3 |
hex | 173143ef |
389104623 has 6 divisors (see below), whose sum is σ = 562040024. Its totient is φ = 259403076.
The previous prime is 389104613. The next prime is 389104631. The reversal of 389104623 is 326401983.
It is not a de Polignac number, because 389104623 - 28 = 389104367 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 (389104613) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21616915 + ... + 21616932.
Almost surely, 2389104623 is an apocalyptic number.
389104623 is a deficient number, since it is larger than the sum of its proper divisors (172935401).
389104623 is a wasteful number, since it uses less digits than its factorization.
389104623 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43233853 (or 43233850 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 389104623 is about 19725.7350433387. The cubic root of 389104623 is about 730.0548047927.
The spelling of 389104623 in words is "three hundred eighty-nine million, one hundred four thousand, six hundred twenty-three".
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