Base | Representation |
---|---|
bin | 101011010110… |
… | …0000111001001 |
3 | 1120202112221002 |
4 | 1112230013021 |
5 | 21304200230 |
6 | 2131024345 |
7 | 364105556 |
oct | 126540711 |
9 | 46675832 |
10 | 22725065 |
11 | 11911750 |
12 | 773b0b5 |
13 | 49288ac |
14 | 3037a2d |
15 | 1edd545 |
hex | 15ac1c9 |
22725065 has 8 divisors (see below), whose sum is σ = 29749248. Its totient is φ = 16527280.
The previous prime is 22725023. The next prime is 22725097. The reversal of 22725065 is 56052722.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22725065 - 210 = 22724041 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206537 + ... + 206646.
It is an arithmetic number, because the mean of its divisors is an integer number (3718656).
Almost surely, 222725065 is an apocalyptic number.
It is an amenable number.
22725065 is a deficient number, since it is larger than the sum of its proper divisors (7024183).
22725065 is a wasteful number, since it uses less digits than its factorization.
22725065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 413199.
The product of its (nonzero) digits is 8400, while the sum is 29.
The square root of 22725065 is about 4767.0813922147. The cubic root of 22725065 is about 283.2489952749.
Adding to 22725065 its reverse (56052722), we get a palindrome (78777787).
It can be divided in two parts, 2272 and 5065, that added together give a palindrome (7337).
The spelling of 22725065 in words is "twenty-two million, seven hundred twenty-five thousand, sixty-five".
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