Base | Representation |
---|---|
bin | 101011111001… |
… | …0011101001001 |
3 | 1121022012011111 |
4 | 1113302131021 |
5 | 21342410233 |
6 | 2141130321 |
7 | 366415600 |
oct | 127623511 |
9 | 47265144 |
10 | 23013193 |
11 | 11a99175 |
12 | 78599a1 |
13 | 49c9a98 |
14 | 30b0a37 |
15 | 2048acd |
hex | 15f2749 |
23013193 has 6 divisors (see below), whose sum is σ = 26770506. Its totient is φ = 19725552.
The previous prime is 23013173. The next prime is 23013209. The reversal of 23013193 is 39131032.
It can be written as a sum of positive squares in only one way, i.e., 13046544 + 9966649 = 3612^2 + 3157^2 .
It is a de Polignac number, because none of the positive numbers 2k-23013193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23013103) 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, 234780 + ... + 234877.
It is an arithmetic number, because the mean of its divisors is an integer number (4461751).
Almost surely, 223013193 is an apocalyptic number.
It is an amenable number.
23013193 is a deficient number, since it is larger than the sum of its proper divisors (3757313).
23013193 is an equidigital number, since it uses as much as digits as its factorization.
23013193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469671 (or 469664 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 22.
The square root of 23013193 is about 4797.2067914569. The cubic root of 23013193 is about 284.4410631527.
The spelling of 23013193 in words is "twenty-three million, thirteen thousand, one hundred ninety-three".
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