Base | Representation |
---|---|
bin | 101011110011… |
… | …1101101111101 |
3 | 1121012221211121 |
4 | 1113213231331 |
5 | 21340003323 |
6 | 2140150541 |
7 | 366143431 |
oct | 127475575 |
9 | 47187747 |
10 | 22969213 |
11 | 11a69123 |
12 | 7838451 |
13 | 49b2a67 |
14 | 309c9c1 |
15 | 203aa5d |
hex | 15e7b7d |
22969213 has 2 divisors, whose sum is σ = 22969214. Its totient is φ = 22969212.
The previous prime is 22969207. The next prime is 22969217. The reversal of 22969213 is 31296922.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15856324 + 7112889 = 3982^2 + 2667^2 .
It is a cyclic number.
It is not a de Polignac number, because 22969213 - 217 = 22838141 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22969217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11484606 + 11484607.
It is an arithmetic number, because the mean of its divisors is an integer number (11484607).
Almost surely, 222969213 is an apocalyptic number.
It is an amenable number.
22969213 is a deficient number, since it is larger than the sum of its proper divisors (1).
22969213 is an equidigital number, since it uses as much as digits as its factorization.
22969213 is an evil number, because the sum of its binary digits is even.
The product of its digits is 11664, while the sum is 34.
The square root of 22969213 is about 4792.6206818399. The cubic root of 22969213 is about 284.2597512787.
The spelling of 22969213 in words is "twenty-two million, nine hundred sixty-nine thousand, two hundred thirteen".
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