Base | Representation |
---|---|
bin | 101011111111… |
… | …1001000011011 |
3 | 1121101211101112 |
4 | 1113333020123 |
5 | 21401040430 |
6 | 2142210535 |
7 | 400023143 |
oct | 127771033 |
9 | 47354345 |
10 | 23065115 |
11 | 12024187 |
12 | 7883a4b |
13 | 4a175c8 |
14 | 30c5923 |
15 | 2059195 |
hex | 15ff21b |
23065115 has 4 divisors (see below), whose sum is σ = 27678144. Its totient is φ = 18452088.
The previous prime is 23065111. The next prime is 23065117. The reversal of 23065115 is 51156032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23065115 - 22 = 23065111 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23065111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2306507 + ... + 2306516.
It is an arithmetic number, because the mean of its divisors is an integer number (6919536).
Almost surely, 223065115 is an apocalyptic number.
23065115 is a deficient number, since it is larger than the sum of its proper divisors (4613029).
23065115 is an equidigital number, since it uses as much as digits as its factorization.
23065115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4613028.
The product of its (nonzero) digits is 900, while the sum is 23.
The square root of 23065115 is about 4802.6154332822. The cubic root of 23065115 is about 284.6548196093.
It can be divided in two parts, 230651 and 15, that multiplied together give a triangular number (3459765 = T2630).
The spelling of 23065115 in words is "twenty-three million, sixty-five thousand, one hundred fifteen".
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