Base | Representation |
---|---|
bin | 101110101111… |
… | …111111010101 |
3 | 212001121221220 |
4 | 232233333111 |
5 | 11114131224 |
6 | 1114400553 |
7 | 206111262 |
oct | 56577725 |
9 | 25047856 |
10 | 12255189 |
11 | 6a10561 |
12 | 4130159 |
13 | 27011bb |
14 | 18b0269 |
15 | 1121279 |
hex | baffd5 |
12255189 has 8 divisors (see below), whose sum is σ = 16485312. Its totient is φ = 8097600.
The previous prime is 12255179. The next prime is 12255227. The reversal of 12255189 is 98155221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12255189 - 212 = 12251093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12255149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17737 + ... + 18414.
It is an arithmetic number, because the mean of its divisors is an integer number (2060664).
Almost surely, 212255189 is an apocalyptic number.
It is an amenable number.
12255189 is a deficient number, since it is larger than the sum of its proper divisors (4230123).
12255189 is a wasteful number, since it uses less digits than its factorization.
12255189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36267.
The product of its digits is 7200, while the sum is 33.
The square root of 12255189 is about 3500.7412072303. The cubic root of 12255189 is about 230.5543590611.
The spelling of 12255189 in words is "twelve million, two hundred fifty-five thousand, one hundred eighty-nine".
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