Base | Representation |
---|---|
bin | 101100101001… |
… | …0101011110101 |
3 | 1122001012211212 |
4 | 1121102223311 |
5 | 21443013344 |
6 | 2153411205 |
7 | 402650000 |
oct | 131225365 |
9 | 48035755 |
10 | 23407349 |
11 | 12238319 |
12 | 7a09b05 |
13 | 4b07304 |
14 | 3174537 |
15 | 20c579e |
hex | 1652af5 |
23407349 has 10 divisors (see below), whose sum is σ = 27309750. Its totient is φ = 20061384.
The previous prime is 23407339. The next prime is 23407357. The reversal of 23407349 is 94370432.
It can be written as a sum of positive squares in only one way, i.e., 16144324 + 7263025 = 4018^2 + 2695^2 .
It is a de Polignac number, because none of the positive numbers 2k-23407349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23407309) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2474 + ... + 7275.
It is an arithmetic number, because the mean of its divisors is an integer number (2730975).
Almost surely, 223407349 is an apocalyptic number.
It is an amenable number.
23407349 is a deficient number, since it is larger than the sum of its proper divisors (3902401).
23407349 is an frugal number, since it uses more digits than its factorization.
23407349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9777 (or 9756 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 32.
The square root of 23407349 is about 4838.1141987349. The cubic root of 23407349 is about 286.0557905408.
The spelling of 23407349 in words is "twenty-three million, four hundred seven thousand, three hundred forty-nine".
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