Base | Representation |
---|---|
bin | 101011111000… |
… | …0100001000111 |
3 | 1121021210021111 |
4 | 1113300201013 |
5 | 21342132010 |
6 | 2141025451 |
7 | 366353500 |
oct | 127604107 |
9 | 47253244 |
10 | 23005255 |
11 | 11a93209 |
12 | 7855287 |
13 | 49c62a0 |
14 | 30abba7 |
15 | 204658a |
hex | 15f0847 |
23005255 has 48 divisors (see below), whose sum is σ = 35852544. Its totient is φ = 14031360.
The previous prime is 23005249. The next prime is 23005261. The reversal of 23005255 is 55250032.
It is an interprime number because it is at equal distance from previous prime (23005249) and next prime (23005261).
It is not a de Polignac number, because 23005255 - 215 = 22972487 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98619 + ... + 98851.
It is an arithmetic number, because the mean of its divisors is an integer number (746928).
Almost surely, 223005255 is an apocalyptic number.
23005255 is a deficient number, since it is larger than the sum of its proper divisors (12847289).
23005255 is a wasteful number, since it uses less digits than its factorization.
23005255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296 (or 289 counting only the distinct ones).
The product of its (nonzero) digits is 1500, while the sum is 22.
The square root of 23005255 is about 4796.3793636450. The cubic root of 23005255 is about 284.4083550619.
Adding to 23005255 its reverse (55250032), we get a palindrome (78255287).
The spelling of 23005255 in words is "twenty-three million, five thousand, two hundred fifty-five".
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