Base | Representation |
---|---|
bin | 10111001101100… |
… | …010011000111101 |
3 | 1000010202211021002 |
4 | 113031202120331 |
5 | 1244143042301 |
6 | 102350420045 |
7 | 12436024661 |
oct | 2715423075 |
9 | 1003684232 |
10 | 389424701 |
11 | 18a9025a6 |
12 | aa501625 |
13 | 628aac23 |
14 | 39a108a1 |
15 | 242c516b |
hex | 1736263d |
389424701 has 2 divisors, whose sum is σ = 389424702. Its totient is φ = 389424700.
The previous prime is 389424689. The next prime is 389424719. The reversal of 389424701 is 107424983.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 359064601 + 30360100 = 18949^2 + 5510^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-389424701 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (389424401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194712350 + 194712351.
It is an arithmetic number, because the mean of its divisors is an integer number (194712351).
Almost surely, 2389424701 is an apocalyptic number.
It is an amenable number.
389424701 is a deficient number, since it is larger than the sum of its proper divisors (1).
389424701 is an equidigital number, since it uses as much as digits as its factorization.
389424701 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 389424701 is about 19733.8465839785. The cubic root of 389424701 is about 730.2549312913.
The spelling of 389424701 in words is "three hundred eighty-nine million, four hundred twenty-four thousand, seven hundred one".
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