Base | Representation |
---|---|
bin | 101100001110… |
… | …0100111111000 |
3 | 1121121222002111 |
4 | 1120130213320 |
5 | 21413422122 |
6 | 2144542104 |
7 | 401035261 |
oct | 130344770 |
9 | 47558074 |
10 | 23185912 |
11 | 120a6a12 |
12 | 7921934 |
13 | 4a5a599 |
14 | 3117968 |
15 | 207ed77 |
hex | 161c9f8 |
23185912 has 8 divisors (see below), whose sum is σ = 43473600. Its totient is φ = 11592952.
The previous prime is 23185859. The next prime is 23185927. The reversal of 23185912 is 21958132.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 1449112 + ... + 1449127.
It is an arithmetic number, because the mean of its divisors is an integer number (5434200).
Almost surely, 223185912 is an apocalyptic number.
It is an amenable number.
23185912 is a deficient number, since it is larger than the sum of its proper divisors (20287688).
23185912 is a wasteful number, since it uses less digits than its factorization.
23185912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2898245 (or 2898241 counting only the distinct ones).
The product of its digits is 4320, while the sum is 31.
The square root of 23185912 is about 4815.1751785371. The cubic root of 23185912 is about 285.1508875786.
The spelling of 23185912 in words is "twenty-three million, one hundred eighty-five thousand, nine hundred twelve".
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