Base | Representation |
---|---|
bin | 101100101100… |
… | …0011111010101 |
3 | 1122002102110110 |
4 | 1121120133111 |
5 | 21444244000 |
6 | 2154113233 |
7 | 403106214 |
oct | 131303725 |
9 | 48072413 |
10 | 23431125 |
11 | 12254173 |
12 | 7a1b819 |
13 | 4b15093 |
14 | 317d07b |
15 | 20cc850 |
hex | 16587d5 |
23431125 has 16 divisors (see below), whose sum is σ = 38990016. Its totient is φ = 12496400.
The previous prime is 23431103. The next prime is 23431127. The reversal of 23431125 is 52113432.
It is not a de Polignac number, because 23431125 - 26 = 23431061 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23431127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30867 + ... + 31616.
It is an arithmetic number, because the mean of its divisors is an integer number (2436876).
Almost surely, 223431125 is an apocalyptic number.
23431125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23431125 is a deficient number, since it is larger than the sum of its proper divisors (15558891).
23431125 is an equidigital number, since it uses as much as digits as its factorization.
23431125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62501 (or 62491 counting only the distinct ones).
The product of its digits is 720, while the sum is 21.
The square root of 23431125 is about 4840.5707308126. The cubic root of 23431125 is about 286.1526114293.
Adding to 23431125 its reverse (52113432), we get a palindrome (75544557).
The spelling of 23431125 in words is "twenty-three million, four hundred thirty-one thousand, one hundred twenty-five".
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