Base | Representation |
---|---|
bin | 101011111110… |
… | …0101101101111 |
3 | 1121101022210212 |
4 | 1113330231233 |
5 | 21400231330 |
6 | 2142053035 |
7 | 366652241 |
oct | 127745557 |
9 | 47338725 |
10 | 23055215 |
11 | 120177a7 |
12 | 787a17b |
13 | 4a12c51 |
14 | 30c2091 |
15 | 2056295 |
hex | 15fcb6f |
23055215 has 8 divisors (see below), whose sum is σ = 27710448. Its totient is φ = 18414720.
The previous prime is 23055187. The next prime is 23055229. The reversal of 23055215 is 51255032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23055215 - 220 = 22006639 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 6791.
It is an arithmetic number, because the mean of its divisors is an integer number (3463806).
Almost surely, 223055215 is an apocalyptic number.
23055215 is a deficient number, since it is larger than the sum of its proper divisors (4655233).
23055215 is an equidigital number, since it uses as much as digits as its factorization.
23055215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7369.
The product of its (nonzero) digits is 1500, while the sum is 23.
The square root of 23055215 is about 4801.5846342640. The cubic root of 23055215 is about 284.6140873028.
The spelling of 23055215 in words is "twenty-three million, fifty-five thousand, two hundred fifteen".
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