Base | Representation |
---|---|
bin | 101100000100… |
… | …1001011101101 |
3 | 1121110220212100 |
4 | 1120021023231 |
5 | 21403400120 |
6 | 2143125313 |
7 | 400254156 |
oct | 130111355 |
9 | 47426770 |
10 | 23106285 |
11 | 12052104 |
12 | 78a3839 |
13 | 4a30277 |
14 | 30d692d |
15 | 2066490 |
hex | 16092ed |
23106285 has 12 divisors (see below), whose sum is σ = 40050972. Its totient is φ = 12323328.
The previous prime is 23106277. The next prime is 23106361. The reversal of 23106285 is 58260132.
23106285 is a `hidden beast` number, since 2 + 31 + 0 + 628 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 8749764 + 14356521 = 2958^2 + 3789^2 .
It is not a de Polignac number, because 23106285 - 23 = 23106277 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256692 + ... + 256781.
It is an arithmetic number, because the mean of its divisors is an integer number (3337581).
Almost surely, 223106285 is an apocalyptic number.
It is an amenable number.
23106285 is a deficient number, since it is larger than the sum of its proper divisors (16944687).
23106285 is a wasteful number, since it uses less digits than its factorization.
23106285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 513484 (or 513481 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 23106285 is about 4806.8997285153. The cubic root of 23106285 is about 284.8240834968.
The spelling of 23106285 in words is "twenty-three million, one hundred six thousand, two hundred eighty-five".
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