Base | Representation |
---|---|
bin | 101010001000… |
… | …1111101001001 |
3 | 1112120110210000 |
4 | 1110101331021 |
5 | 21123444031 |
6 | 2105313213 |
7 | 355535643 |
oct | 124217511 |
9 | 45513700 |
10 | 22093641 |
11 | 11520309 |
12 | 7495809 |
13 | 476737b |
14 | 2d11893 |
15 | 1e163e6 |
hex | 1511f49 |
22093641 has 10 divisors (see below), whose sum is σ = 33004202. Its totient is φ = 14729040.
The previous prime is 22093609. The next prime is 22093661. The reversal of 22093641 is 14639022.
It can be written as a sum of positive squares in only one way, i.e., 15968016 + 6125625 = 3996^2 + 2475^2 .
It is not a de Polignac number, because 22093641 - 25 = 22093609 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22093601) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 136300 + ... + 136461.
Almost surely, 222093641 is an apocalyptic number.
It is an amenable number.
22093641 is a deficient number, since it is larger than the sum of its proper divisors (10910561).
22093641 is an equidigital number, since it uses as much as digits as its factorization.
22093641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 272773 (or 272764 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 22093641 is about 4700.3873244659. The cubic root of 22093641 is about 280.6009245338.
The spelling of 22093641 in words is "twenty-two million, ninety-three thousand, six hundred forty-one".
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