Base | Representation |
---|---|
bin | 10111001100100… |
… | …011101110000001 |
3 | 1000010021210010200 |
4 | 113030203232001 |
5 | 1244111334001 |
6 | 102341115413 |
7 | 12433605405 |
oct | 2714435601 |
9 | 1003253120 |
10 | 389168001 |
11 | 18a747752 |
12 | aa3b8b69 |
13 | 6281b131 |
14 | 39985105 |
15 | 24274086 |
hex | 17323b81 |
389168001 has 6 divisors (see below), whose sum is σ = 562131570. Its totient is φ = 259445328.
The previous prime is 389167979. The next prime is 389168047. The reversal of 389168001 is 100861983.
It can be written as a sum of positive squares in only one way, i.e., 382007025 + 7160976 = 19545^2 + 2676^2 .
It is not a de Polignac number, because 389168001 - 215 = 389135233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (389168501) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21620436 + ... + 21620453.
It is an arithmetic number, because the mean of its divisors is an integer number (93688595).
Almost surely, 2389168001 is an apocalyptic number.
It is an amenable number.
389168001 is a deficient number, since it is larger than the sum of its proper divisors (172963569).
389168001 is a wasteful number, since it uses less digits than its factorization.
389168001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43240895 (or 43240892 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 389168001 is about 19727.3414579867. The cubic root of 389168001 is about 730.0944401493.
The spelling of 389168001 in words is "three hundred eighty-nine million, one hundred sixty-eight thousand, one".
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