Base | Representation |
---|---|
bin | 101011111100… |
… | …1000011111111 |
3 | 1121100120021210 |
4 | 1113321003333 |
5 | 21344242010 |
6 | 2141455503 |
7 | 366560520 |
oct | 127710377 |
9 | 47316253 |
10 | 23040255 |
11 | 12007537 |
12 | 7871593 |
13 | 4a091b4 |
14 | 30ba847 |
15 | 2051b20 |
hex | 15f90ff |
23040255 has 32 divisors (see below), whose sum is σ = 44352000. Its totient is φ = 9977472.
The previous prime is 23040247. The next prime is 23040263. The reversal of 23040255 is 55204032.
It is an interprime number because it is at equal distance from previous prime (23040247) and next prime (23040263).
It is not a de Polignac number, because 23040255 - 23 = 23040247 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3780 + ... + 7769.
It is an arithmetic number, because the mean of its divisors is an integer number (1386000).
Almost surely, 223040255 is an apocalyptic number.
23040255 is a deficient number, since it is larger than the sum of its proper divisors (21311745).
23040255 is a wasteful number, since it uses less digits than its factorization.
23040255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11583.
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 23040255 is about 4800.0265624265. The cubic root of 23040255 is about 284.5525141329.
Adding to 23040255 its reverse (55204032), we get a palindrome (78244287).
The spelling of 23040255 in words is "twenty-three million, forty thousand, two hundred fifty-five".
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