Base | Representation |
---|---|
bin | 101011101101… |
… | …0010000100001 |
3 | 1121010011012200 |
4 | 1113122100201 |
5 | 21331222311 |
6 | 2135043413 |
7 | 365523621 |
oct | 127322041 |
9 | 47104180 |
10 | 22914081 |
11 | 11a30763 |
12 | 7810569 |
13 | 4993938 |
14 | 3086881 |
15 | 2029556 |
hex | 15da421 |
22914081 has 6 divisors (see below), whose sum is σ = 33098130. Its totient is φ = 15276048.
The previous prime is 22914077. The next prime is 22914083. The reversal of 22914081 is 18041922.
It can be written as a sum of positive squares in only one way, i.e., 17715681 + 5198400 = 4209^2 + 2280^2 .
It is not a de Polignac number, because 22914081 - 22 = 22914077 is a prime.
It is a super-2 number, since 2×229140812 = 1050110216149122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (22914083) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 1272996 + ... + 1273013.
It is an arithmetic number, because the mean of its divisors is an integer number (5516355).
Almost surely, 222914081 is an apocalyptic number.
It is an amenable number.
22914081 is a deficient number, since it is larger than the sum of its proper divisors (10184049).
22914081 is a wasteful number, since it uses less digits than its factorization.
22914081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2546015 (or 2546012 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 22914081 is about 4786.8654670880. The cubic root of 22914081 is about 284.0321369769.
The spelling of 22914081 in words is "twenty-two million, nine hundred fourteen thousand, eighty-one".
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