Base | Representation |
---|---|
bin | 101100011010… |
… | …1110101110001 |
3 | 1121211012210000 |
4 | 1120311311301 |
5 | 21430223301 |
6 | 2151100213 |
7 | 401645355 |
oct | 130656561 |
9 | 47735700 |
10 | 23289201 |
11 | 12167581 |
12 | 7971669 |
13 | 4a955c0 |
14 | 3143465 |
15 | 20a0786 |
hex | 1635d71 |
23289201 has 40 divisors (see below), whose sum is σ = 39700584. Its totient is φ = 13478400.
The previous prime is 23289197. The next prime is 23289209. The reversal of 23289201 is 10298232.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 18225 + 23270976 = 135^2 + 4824^2 .
It is not a de Polignac number, because 23289201 - 22 = 23289197 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (23289209) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17251 + ... + 18551.
Almost surely, 223289201 is an apocalyptic number.
It is an amenable number.
23289201 is a deficient number, since it is larger than the sum of its proper divisors (16411383).
23289201 is a wasteful number, since it uses less digits than its factorization.
23289201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1343 (or 1334 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 23289201 is about 4825.8886228341. Note that the first 3 decimals coincide. The cubic root of 23289201 is about 285.5736920545.
The spelling of 23289201 in words is "twenty-three million, two hundred eighty-nine thousand, two hundred one".
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