Base | Representation |
---|---|
bin | 101011110100… |
… | …0100001001100 |
3 | 1121020010100001 |
4 | 1113220201030 |
5 | 21340104432 |
6 | 2140214044 |
7 | 366156124 |
oct | 127504114 |
9 | 47203301 |
10 | 22972492 |
11 | 11a70634 |
12 | 783a324 |
13 | 49b43ba |
14 | 309dc84 |
15 | 203b9e7 |
hex | 15e884c |
22972492 has 24 divisors (see below), whose sum is σ = 42932736. Its totient is φ = 10729488.
The previous prime is 22972487. The next prime is 22972507. The reversal of 22972492 is 29427922.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053 + ... + 6859.
It is an arithmetic number, because the mean of its divisors is an integer number (1788864).
Almost surely, 222972492 is an apocalyptic number.
It is an amenable number.
22972492 is a deficient number, since it is larger than the sum of its proper divisors (19960244).
22972492 is a wasteful number, since it uses less digits than its factorization.
22972492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5877 (or 5875 counting only the distinct ones).
The product of its digits is 36288, while the sum is 37.
The square root of 22972492 is about 4792.9627580443. The cubic root of 22972492 is about 284.2732772591.
The spelling of 22972492 in words is "twenty-two million, nine hundred seventy-two thousand, four hundred ninety-two".
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