Base | Representation |
---|---|
bin | 101110110000… |
… | …011111100011 |
3 | 212001201210021 |
4 | 232300133203 |
5 | 11114213001 |
6 | 1114414311 |
7 | 206120266 |
oct | 56603743 |
9 | 25051707 |
10 | 12257251 |
11 | 6a12066 |
12 | 4131397 |
13 | 2702116 |
14 | 18b0cdd |
15 | 1121ba1 |
hex | bb07e3 |
12257251 has 4 divisors (see below), whose sum is σ = 12285000. Its totient is φ = 12229504.
The previous prime is 12257243. The next prime is 12257263. The reversal of 12257251 is 15275221.
12257251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12257251 - 23 = 12257243 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12257281) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13201 + ... + 14098.
It is an arithmetic number, because the mean of its divisors is an integer number (3071250).
Almost surely, 212257251 is an apocalyptic number.
12257251 is a deficient number, since it is larger than the sum of its proper divisors (27749).
12257251 is an equidigital number, since it uses as much as digits as its factorization.
12257251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27748.
The product of its digits is 1400, while the sum is 25.
The square root of 12257251 is about 3501.0357039025. The cubic root of 12257251 is about 230.5672889971.
The spelling of 12257251 in words is "twelve million, two hundred fifty-seven thousand, two hundred fifty-one".
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