Base | Representation |
---|---|
bin | 101100010110… |
… | …0100111100001 |
3 | 1121202021221220 |
4 | 1120230213201 |
5 | 21423021200 |
6 | 2150205253 |
7 | 401430261 |
oct | 130544741 |
9 | 47667856 |
10 | 23251425 |
11 | 1214115a |
12 | 7953829 |
13 | 4a81352 |
14 | 31337a1 |
15 | 20944a0 |
hex | 162c9e1 |
23251425 has 12 divisors (see below), whose sum is σ = 38442480. Its totient is φ = 12400720.
The previous prime is 23251411. The next prime is 23251447. The reversal of 23251425 is 52415232.
It is not a de Polignac number, because 23251425 - 217 = 23120353 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23251395 and 23251404.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154935 + ... + 155084.
It is an arithmetic number, because the mean of its divisors is an integer number (3203540).
Almost surely, 223251425 is an apocalyptic number.
23251425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23251425 is a deficient number, since it is larger than the sum of its proper divisors (15191055).
23251425 is a wasteful number, since it uses less digits than its factorization.
23251425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310032 (or 310027 counting only the distinct ones).
The product of its digits is 2400, while the sum is 24.
The square root of 23251425 is about 4821.9731438489. The cubic root of 23251425 is about 285.4192045760.
Adding to 23251425 its reverse (52415232), we get a palindrome (75666657).
The spelling of 23251425 in words is "twenty-three million, two hundred fifty-one thousand, four hundred twenty-five".
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