Base | Representation |
---|---|
bin | 10111001101100… |
… | …010110100010111 |
3 | 1000010202220200001 |
4 | 113031202310113 |
5 | 1244143121310 |
6 | 102350432131 |
7 | 12436033045 |
oct | 2715426427 |
9 | 1003686601 |
10 | 389426455 |
11 | 18a903950 |
12 | aa502647 |
13 | 628ab972 |
14 | 39a11395 |
15 | 242c593a |
hex | 17362d17 |
389426455 has 32 divisors (see below), whose sum is σ = 538513920. Its totient is φ = 267569280.
The previous prime is 389426441. The next prime is 389426503. The reversal of 389426455 is 554624983.
It is not a de Polignac number, because 389426455 - 211 = 389424407 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103141 + ... + 106849.
It is an arithmetic number, because the mean of its divisors is an integer number (16828560).
Almost surely, 2389426455 is an apocalyptic number.
389426455 is a deficient number, since it is larger than the sum of its proper divisors (149087465).
389426455 is a wasteful number, since it uses less digits than its factorization.
389426455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3831.
The product of its digits is 1036800, while the sum is 46.
The square root of 389426455 is about 19733.8910253401. The cubic root of 389426455 is about 730.2560276652.
The spelling of 389426455 in words is "three hundred eighty-nine million, four hundred twenty-six thousand, four hundred fifty-five".
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