Base | Representation |
---|---|
bin | 101110001111… |
… | …100101100101 |
3 | 211210212220100 |
4 | 232033211211 |
5 | 11100404334 |
6 | 1111454313 |
7 | 205016322 |
oct | 56174545 |
9 | 24725810 |
10 | 12122469 |
11 | 692a877 |
12 | 4087399 |
13 | 2685978 |
14 | 1877b49 |
15 | 10e6c99 |
hex | b8f965 |
12122469 has 24 divisors (see below), whose sum is σ = 18105984. Its totient is φ = 7812000.
The previous prime is 12122447. The next prime is 12122477. The reversal of 12122469 is 96422121.
It is not a de Polignac number, because 12122469 - 29 = 12121957 is a prime.
It is a super-2 number, since 2×121224692 = 293908509311922, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12122419) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38824 + ... + 39134.
It is an arithmetic number, because the mean of its divisors is an integer number (754416).
Almost surely, 212122469 is an apocalyptic number.
It is an amenable number.
12122469 is a deficient number, since it is larger than the sum of its proper divisors (5983515).
12122469 is a wasteful number, since it uses less digits than its factorization.
12122469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 449 (or 446 counting only the distinct ones).
The product of its digits is 1728, while the sum is 27.
The square root of 12122469 is about 3481.7336199083. The cubic root of 12122469 is about 229.7190583599.
The spelling of 12122469 in words is "twelve million, one hundred twenty-two thousand, four hundred sixty-nine".
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