Base | Representation |
---|---|
bin | 101100110111… |
… | …0111100110101 |
3 | 1122021002122212 |
4 | 1121232330311 |
5 | 22010220000 |
6 | 2200103205 |
7 | 403641353 |
oct | 131567465 |
9 | 48232585 |
10 | 23523125 |
11 | 123072aa |
12 | 7a64b05 |
13 | 4b47c12 |
14 | 31a47d3 |
15 | 20e9c35 |
hex | 166ef35 |
23523125 has 20 divisors (see below), whose sum is σ = 29924796. Its totient is φ = 18480000.
The previous prime is 23523103. The next prime is 23523131. The reversal of 23523125 is 52132532.
It can be written as a sum of positive squares in 10 ways, for example, as 23251684 + 271441 = 4822^2 + 521^2 .
It is not a de Polignac number, because 23523125 - 222 = 19328821 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23523125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37817 + ... + 38433.
Almost surely, 223523125 is an apocalyptic number.
23523125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23523125 is a deficient number, since it is larger than the sum of its proper divisors (6401671).
23523125 is an frugal number, since it uses more digits than its factorization.
23523125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 698 (or 683 counting only the distinct ones).
The product of its digits is 1800, while the sum is 23.
The square root of 23523125 is about 4850.0644325617. The cubic root of 23523125 is about 286.5266389914.
Adding to 23523125 its reverse (52132532), we get a palindrome (75655657).
The spelling of 23523125 in words is "twenty-three million, five hundred twenty-three thousand, one hundred twenty-five".
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