Base | Representation |
---|---|
bin | 10111001111100… |
… | …100110111011001 |
3 | 1000011202222100201 |
4 | 113033210313121 |
5 | 1244312143004 |
6 | 102410102201 |
7 | 12443412040 |
oct | 2717446731 |
9 | 1004688321 |
10 | 389959129 |
11 | 19013807a |
12 | aa71a961 |
13 | 62a37261 |
14 | 39b0d557 |
15 | 2437d6a4 |
hex | 173e4dd9 |
389959129 has 8 divisors (see below), whose sum is σ = 448921728. Its totient is φ = 331810080.
The previous prime is 389959123. The next prime is 389959139. The reversal of 389959129 is 921959983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 389959129 - 23 = 389959121 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 389959129.
It is not an unprimeable number, because it can be changed into a prime (389959121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202357 + ... + 204274.
It is an arithmetic number, because the mean of its divisors is an integer number (56115216).
Almost surely, 2389959129 is an apocalyptic number.
It is an amenable number.
389959129 is a deficient number, since it is larger than the sum of its proper divisors (58962599).
389959129 is a wasteful number, since it uses less digits than its factorization.
389959129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 406775.
The product of its digits is 1574640, while the sum is 55.
The square root of 389959129 is about 19747.3828392524. The cubic root of 389959129 is about 730.5888343442.
The spelling of 389959129 in words is "three hundred eighty-nine million, nine hundred fifty-nine thousand, one hundred twenty-nine".
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