Base | Representation |
---|---|
bin | 101100110011… |
… | …0110000101100 |
3 | 1122012101122110 |
4 | 1121212300230 |
5 | 22003131310 |
6 | 2155244020 |
7 | 403441512 |
oct | 131466054 |
9 | 48171573 |
10 | 23489580 |
11 | 12294084 |
12 | 7a49610 |
13 | 4b3587a |
14 | 31964b2 |
15 | 20ded20 |
hex | 1666c2c |
23489580 has 48 divisors (see below), whose sum is σ = 69642720. Its totient is φ = 5895168.
The previous prime is 23489579. The next prime is 23489591. The reversal of 23489580 is 8598432.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10495 + ... + 12534.
It is an arithmetic number, because the mean of its divisors is an integer number (1450890).
Almost surely, 223489580 is an apocalyptic number.
23489580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23489580 is an abundant number, since it is smaller than the sum of its proper divisors (46153140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23489580 is a wasteful number, since it uses less digits than its factorization.
23489580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23058 (or 23056 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 39.
The square root of 23489580 is about 4846.6049973151. The cubic root of 23489580 is about 286.3903743787.
The spelling of 23489580 in words is "twenty-three million, four hundred eighty-nine thousand, five hundred eighty".
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