Base | Representation |
---|---|
bin | 101011101101… |
… | …1110111011101 |
3 | 1121010111020200 |
4 | 1113123313131 |
5 | 21331430134 |
6 | 2135134113 |
7 | 365552052 |
oct | 127336735 |
9 | 47114220 |
10 | 22920669 |
11 | 11a35702 |
12 | 7814339 |
13 | 4996935 |
14 | 3089029 |
15 | 202b499 |
hex | 15dbddd |
22920669 has 12 divisors (see below), whose sum is σ = 34850400. Its totient is φ = 14476104.
The previous prime is 22920661. The next prime is 22920721. The reversal of 22920669 is 96602922.
It is not a de Polignac number, because 22920669 - 23 = 22920661 is a prime.
It is a super-2 number, since 2×229206692 = 1050714134815122, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22920661) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66849 + ... + 67190.
It is an arithmetic number, because the mean of its divisors is an integer number (2904200).
Almost surely, 222920669 is an apocalyptic number.
It is an amenable number.
22920669 is a deficient number, since it is larger than the sum of its proper divisors (11929731).
22920669 is a wasteful number, since it uses less digits than its factorization.
22920669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134064 (or 134061 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 22920669 is about 4787.5535506143. The cubic root of 22920669 is about 284.0593549485.
The spelling of 22920669 in words is "twenty-two million, nine hundred twenty thousand, six hundred sixty-nine".
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