Base | Representation |
---|---|
bin | 101011111010… |
… | …0010000011010 |
3 | 1121022120021201 |
4 | 1113310100122 |
5 | 21343124240 |
6 | 2141224414 |
7 | 366446236 |
oct | 127642032 |
9 | 47276251 |
10 | 23020570 |
11 | 11aa3771 |
12 | 786210a |
13 | 4a00251 |
14 | 30b35c6 |
15 | 204ad9a |
hex | 15f441a |
23020570 has 16 divisors (see below), whose sum is σ = 41492808. Its totient is φ = 9195840.
The previous prime is 23020511. The next prime is 23020573. The reversal of 23020570 is 7502032.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 13329801 + 9690769 = 3651^2 + 3113^2 .
It is not an unprimeable number, because it can be changed into a prime (23020573) 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, 11440 + ... + 13300.
Almost surely, 223020570 is an apocalyptic number.
23020570 is a deficient number, since it is larger than the sum of its proper divisors (18472238).
23020570 is a wasteful number, since it uses less digits than its factorization.
23020570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3105.
The product of its (nonzero) digits is 420, while the sum is 19.
The square root of 23020570 is about 4797.9756147775. The cubic root of 23020570 is about 284.4714529317.
The spelling of 23020570 in words is "twenty-three million, twenty thousand, five hundred seventy".
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