Base | Representation |
---|---|
bin | 101110101111… |
… | …101111110101 |
3 | 212001120121011 |
4 | 232233233311 |
5 | 11114113242 |
6 | 1114352221 |
7 | 206105344 |
oct | 56575765 |
9 | 25046534 |
10 | 12254197 |
11 | 6a0a83a |
12 | 412b671 |
13 | 2700907 |
14 | 18adb5b |
15 | 1120d17 |
hex | bafbf5 |
12254197 has 2 divisors, whose sum is σ = 12254198. Its totient is φ = 12254196.
The previous prime is 12254189. The next prime is 12254201. The reversal of 12254197 is 79145221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10719076 + 1535121 = 3274^2 + 1239^2 .
It is a cyclic number.
It is not a de Polignac number, because 12254197 - 23 = 12254189 is a prime.
It is a super-2 number, since 2×122541972 = 300330688229618, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12254167) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127098 + 6127099.
It is an arithmetic number, because the mean of its divisors is an integer number (6127099).
Almost surely, 212254197 is an apocalyptic number.
It is an amenable number.
12254197 is a deficient number, since it is larger than the sum of its proper divisors (1).
12254197 is an equidigital number, since it uses as much as digits as its factorization.
12254197 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5040, while the sum is 31.
The square root of 12254197 is about 3500.5995200822. The cubic root of 12254197 is about 230.5481381290.
The spelling of 12254197 in words is "twelve million, two hundred fifty-four thousand, one hundred ninety-seven".
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