Base | Representation |
---|---|
bin | 10111001100010… |
… | …101011001001000 |
3 | 1000010011210122022 |
4 | 113030111121020 |
5 | 1244102444240 |
6 | 102335544012 |
7 | 12433242335 |
oct | 2714253110 |
9 | 1003153568 |
10 | 389109320 |
11 | 18a707656 |
12 | aa38b008 |
13 | 627ca502 |
14 | 3996b98c |
15 | 242619b5 |
hex | 17315648 |
389109320 has 32 divisors (see below), whose sum is σ = 879664320. Its totient is φ = 154902720.
The previous prime is 389109319. The next prime is 389109359. The reversal of 389109320 is 23901983.
389109320 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14612 + ... + 31491.
It is an arithmetic number, because the mean of its divisors is an integer number (27489510).
Almost surely, 2389109320 is an apocalyptic number.
It is an amenable number.
389109320 is an abundant number, since it is smaller than the sum of its proper divisors (490555000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389109320 is a wasteful number, since it uses less digits than its factorization.
389109320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46325 (or 46321 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 389109320 is about 19725.8541006467. The cubic root of 389109320 is about 730.0577423519.
The spelling of 389109320 in words is "three hundred eighty-nine million, one hundred nine thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •