Base | Representation |
---|---|
bin | 101011111000… |
… | …0111010101011 |
3 | 1121021212112002 |
4 | 1113300322223 |
5 | 21342210031 |
6 | 2141041215 |
7 | 366361325 |
oct | 127607253 |
9 | 47255462 |
10 | 23006891 |
11 | 11a94466 |
12 | 785620b |
13 | 49c6c5b |
14 | 30ac615 |
15 | 2046ccb |
hex | 15f0eab |
23006891 has 12 divisors (see below), whose sum is σ = 24560784. Its totient is φ = 21546000.
The previous prime is 23006869. The next prime is 23006903. The reversal of 23006891 is 19860032.
It is not a de Polignac number, because 23006891 - 26 = 23006827 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23006861) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36146 + ... + 36776.
It is an arithmetic number, because the mean of its divisors is an integer number (2046732).
Almost surely, 223006891 is an apocalyptic number.
23006891 is a deficient number, since it is larger than the sum of its proper divisors (1553893).
23006891 is a wasteful number, since it uses less digits than its factorization.
23006891 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 770 (or 751 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 23006891 is about 4796.5499059220. The cubic root of 23006891 is about 284.4150967251.
The spelling of 23006891 in words is "twenty-three million, six thousand, eight hundred ninety-one".
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