Base | Representation |
---|---|
bin | 101100010110… |
… | …1011111100111 |
3 | 1121202110212212 |
4 | 1120231133213 |
5 | 21423130030 |
6 | 2150234035 |
7 | 401443610 |
oct | 130553747 |
9 | 47673785 |
10 | 23255015 |
11 | 12143923 |
12 | 795591b |
13 | 4a82b84 |
14 | 3134c07 |
15 | 2095595 |
hex | 162d7e7 |
23255015 has 16 divisors (see below), whose sum is σ = 32044032. Its totient is φ = 15870624.
The previous prime is 23255009. The next prime is 23255017. The reversal of 23255015 is 51055232.
It is not a de Polignac number, because 23255015 - 24 = 23254999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23255017) 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, 6482 + ... + 9408.
It is an arithmetic number, because the mean of its divisors is an integer number (2002752).
Almost surely, 223255015 is an apocalyptic number.
23255015 is a deficient number, since it is larger than the sum of its proper divisors (8789017).
23255015 is a wasteful number, since it uses less digits than its factorization.
23255015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3166.
The product of its (nonzero) digits is 1500, while the sum is 23.
The square root of 23255015 is about 4822.3453837319. The cubic root of 23255015 is about 285.4338933132.
The spelling of 23255015 in words is "twenty-three million, two hundred fifty-five thousand, fifteen".
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