Base | Representation |
---|---|
bin | 101011110011… |
… | …1101100111101 |
3 | 1121012221202020 |
4 | 1113213230331 |
5 | 21340003044 |
6 | 2140150353 |
7 | 366143310 |
oct | 127475475 |
9 | 47187666 |
10 | 22969149 |
11 | 11a69075 |
12 | 78383b9 |
13 | 49b2a18 |
14 | 309c977 |
15 | 203aa19 |
hex | 15e7b3d |
22969149 has 16 divisors (see below), whose sum is σ = 35129472. Its totient is φ = 13076928.
The previous prime is 22969127. The next prime is 22969153. The reversal of 22969149 is 94196922.
It is not a de Polignac number, because 22969149 - 27 = 22969021 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 22969149.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22969169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4287 + ... + 8019.
It is an arithmetic number, because the mean of its divisors is an integer number (2195592).
Almost surely, 222969149 is an apocalyptic number.
It is an amenable number.
22969149 is a deficient number, since it is larger than the sum of its proper divisors (12160323).
22969149 is a wasteful number, since it uses less digits than its factorization.
22969149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4036.
The product of its digits is 69984, while the sum is 42.
The square root of 22969149 is about 4792.6140049038. The cubic root of 22969149 is about 284.2594872639.
It can be divided in two parts, 229 and 69149, that added together give a triangular number (69378 = T372).
The spelling of 22969149 in words is "twenty-two million, nine hundred sixty-nine thousand, one hundred forty-nine".
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