Base | Representation |
---|---|
bin | 101101010110… |
… | …1110100010001 |
3 | 1122202011212220 |
4 | 1122231310101 |
5 | 22041440000 |
6 | 2205411253 |
7 | 406063161 |
oct | 132556421 |
9 | 48664786 |
10 | 23780625 |
11 | 12472810 |
12 | 7b69b29 |
13 | 4c0819b |
14 | 32305a1 |
15 | 214b1a0 |
hex | 16add11 |
23780625 has 40 divisors (see below), whose sum is σ = 43261152. Its totient is φ = 11520000.
The previous prime is 23780587. The next prime is 23780629. The reversal of 23780625 is 52608732.
It is not a de Polignac number, because 23780625 - 210 = 23779601 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23780629) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20049 + ... + 21201.
Almost surely, 223780625 is an apocalyptic number.
23780625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23780625 is a deficient number, since it is larger than the sum of its proper divisors (19480527).
23780625 is a wasteful number, since it uses less digits than its factorization.
23780625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1187 (or 1172 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 23780625 is about 4876.5382188598. The cubic root of 23780625 is about 287.5683517383.
The spelling of 23780625 in words is "twenty-three million, seven hundred eighty thousand, six hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •