Base | Representation |
---|---|
bin | 101100011000… |
… | …1010101000101 |
3 | 1121210021102201 |
4 | 1120301111011 |
5 | 21424130400 |
6 | 2150434501 |
7 | 401540452 |
oct | 130612505 |
9 | 47707381 |
10 | 23270725 |
11 | 12154705 |
12 | 7962a31 |
13 | 4a8a07a |
14 | 313a829 |
15 | 209a06a |
hex | 1631545 |
23270725 has 12 divisors (see below), whose sum is σ = 30375040. Its totient is φ = 17636400.
The previous prime is 23270717. The next prime is 23270729. The reversal of 23270725 is 52707232.
It is not a de Polignac number, because 23270725 - 23 = 23270717 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 23270693 and 23270702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23270729) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24021 + ... + 24970.
Almost surely, 223270725 is an apocalyptic number.
23270725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23270725 is a deficient number, since it is larger than the sum of its proper divisors (7104315).
23270725 is a wasteful number, since it uses less digits than its factorization.
23270725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49020 (or 49015 counting only the distinct ones).
The product of its (nonzero) digits is 5880, while the sum is 28.
The square root of 23270725 is about 4823.9739841753. The cubic root of 23270725 is about 285.4981541057.
Adding to 23270725 its reverse (52707232), we get a palindrome (75977957).
The spelling of 23270725 in words is "twenty-three million, two hundred seventy thousand, seven hundred twenty-five".
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