Base | Representation |
---|---|
bin | 101100011011… |
… | …1111111100100 |
3 | 1121211122212122 |
4 | 1120313333210 |
5 | 21431014040 |
6 | 2151205112 |
7 | 402013154 |
oct | 130677744 |
9 | 47748778 |
10 | 23298020 |
11 | 12173169 |
12 | 7976798 |
13 | 4a99615 |
14 | 3146764 |
15 | 20a31b5 |
hex | 1637fe4 |
23298020 has 24 divisors (see below), whose sum is σ = 50614200. Its totient is φ = 8997632.
The previous prime is 23298013. The next prime is 23298029. The reversal of 23298020 is 2089232.
It can be written as a sum of positive squares in 4 ways, for example, as 8797156 + 14500864 = 2966^2 + 3808^2 .
It is not an unprimeable number, because it can be changed into a prime (23298029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19505 + ... + 20664.
It is an arithmetic number, because the mean of its divisors is an integer number (2108925).
Almost surely, 223298020 is an apocalyptic number.
23298020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23298020 is an abundant number, since it is smaller than the sum of its proper divisors (27316180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23298020 is a wasteful number, since it uses less digits than its factorization.
23298020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40207 (or 40205 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 23298020 is about 4826.8022540809. The cubic root of 23298020 is about 285.6097338887.
The spelling of 23298020 in words is "twenty-three million, two hundred ninety-eight thousand, twenty".
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