Base | Representation |
---|---|
bin | 101010101101… |
… | …0010100001011 |
3 | 1120010112100021 |
4 | 1111122110023 |
5 | 21212440102 |
6 | 2115521311 |
7 | 361212022 |
oct | 125322413 |
9 | 46115307 |
10 | 22390027 |
11 | 11702a60 |
12 | 75b9237 |
13 | 483c24a |
14 | 2d8b8b9 |
15 | 1e74137 |
hex | 155a50b |
22390027 has 8 divisors (see below), whose sum is σ = 24506352. Its totient is φ = 20287200.
The previous prime is 22390013. The next prime is 22390031. The reversal of 22390027 is 72009322.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22390027 - 211 = 22387979 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22389983 and 22390010.
It is not an unprimeable number, because it can be changed into a prime (22390007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277 + ... + 6697.
It is an arithmetic number, because the mean of its divisors is an integer number (3063294).
Almost surely, 222390027 is an apocalyptic number.
22390027 is a deficient number, since it is larger than the sum of its proper divisors (2116325).
22390027 is a wasteful number, since it uses less digits than its factorization.
22390027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6749.
The product of its (nonzero) digits is 1512, while the sum is 25.
The square root of 22390027 is about 4731.8101187601. The cubic root of 22390027 is about 281.8501081258.
Adding to 22390027 its reverse (72009322), we get a palindrome (94399349).
The spelling of 22390027 in words is "twenty-two million, three hundred ninety thousand, twenty-seven".
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