Base | Representation |
---|---|
bin | 101011110000… |
… | …0110101011101 |
3 | 1121011112011110 |
4 | 1113200311131 |
5 | 21333103041 |
6 | 2135412233 |
7 | 365665305 |
oct | 127406535 |
9 | 47145143 |
10 | 22941021 |
11 | 11a49a24 |
12 | 7824079 |
13 | 49a2c8c |
14 | 3092605 |
15 | 2032516 |
hex | 15e0d5d |
22941021 has 8 divisors (see below), whose sum is σ = 30693600. Its totient is φ = 15241232.
The previous prime is 22941019. The next prime is 22941043. The reversal of 22941021 is 12014922.
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 22941021 - 21 = 22941019 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22941071) 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, 12171 + ... + 13928.
It is an arithmetic number, because the mean of its divisors is an integer number (3836700).
Almost surely, 222941021 is an apocalyptic number.
It is an amenable number.
22941021 is a deficient number, since it is larger than the sum of its proper divisors (7752579).
22941021 is a wasteful number, since it uses less digits than its factorization.
22941021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26395.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 22941021 is about 4789.6785904693. The cubic root of 22941021 is about 284.1434052256.
Adding to 22941021 its reverse (12014922), we get a palindrome (34955943).
The spelling of 22941021 in words is "twenty-two million, nine hundred forty-one thousand, twenty-one".
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