Base | Representation |
---|---|
bin | 101110000111… |
… | …101110011001 |
3 | 211202020201121 |
4 | 232013232121 |
5 | 11043342030 |
6 | 1111045241 |
7 | 204523405 |
oct | 56075631 |
9 | 24666647 |
10 | 12090265 |
11 | 6908660 |
12 | 4070821 |
13 | 2674105 |
14 | 186a105 |
15 | 10dc47a |
hex | b87b99 |
12090265 has 8 divisors (see below), whose sum is σ = 15827328. Its totient is φ = 8792880.
The previous prime is 12090263. The next prime is 12090269. The reversal of 12090265 is 56209021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12090265 - 21 = 12090263 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12090263) 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, 109857 + ... + 109966.
It is an arithmetic number, because the mean of its divisors is an integer number (1978416).
Almost surely, 212090265 is an apocalyptic number.
It is an amenable number.
12090265 is a deficient number, since it is larger than the sum of its proper divisors (3737063).
12090265 is a wasteful number, since it uses less digits than its factorization.
12090265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219839.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 12090265 is about 3477.1058367556. The cubic root of 12090265 is about 229.5154575590.
Adding to 12090265 its reverse (56209021), we get a palindrome (68299286).
It can be divided in two parts, 120902 and 65, that multiplied together give a triangular number (7858630 = T3964).
The spelling of 12090265 in words is "twelve million, ninety thousand, two hundred sixty-five".
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