Base | Representation |
---|---|
bin | 101011111000… |
… | …0110001010011 |
3 | 1121021211200212 |
4 | 1113300301103 |
5 | 21342200131 |
6 | 2141034335 |
7 | 366356510 |
oct | 127606123 |
9 | 47254625 |
10 | 23006291 |
11 | 11a93a70 |
12 | 78559ab |
13 | 49c68b9 |
14 | 30ac307 |
15 | 2046a2b |
hex | 15f0c53 |
23006291 has 16 divisors (see below), whose sum is σ = 28788480. Its totient is φ = 17861280.
The previous prime is 23006281. The next prime is 23006297. The reversal of 23006291 is 19260032.
It is a cyclic number.
It is not a de Polignac number, because 23006291 - 26 = 23006227 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23006297) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38900 + ... + 39486.
It is an arithmetic number, because the mean of its divisors is an integer number (1799280).
Almost surely, 223006291 is an apocalyptic number.
23006291 is a deficient number, since it is larger than the sum of its proper divisors (5782189).
23006291 is a wasteful number, since it uses less digits than its factorization.
23006291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1114.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 23006291 is about 4796.4873605588. The cubic root of 23006291 is about 284.4126242696.
The spelling of 23006291 in words is "twenty-three million, six thousand, two hundred ninety-one".
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