Base | Representation |
---|---|
bin | 101111101101… |
… | …000000000100 |
3 | 212112022202120 |
4 | 233231000010 |
5 | 11200130332 |
6 | 1124005540 |
7 | 211201665 |
oct | 57550004 |
9 | 25468676 |
10 | 12505092 |
11 | 7071296 |
12 | 42308b0 |
13 | 278ab82 |
14 | 193736c |
15 | 117032c |
hex | bed004 |
12505092 has 12 divisors (see below), whose sum is σ = 29178576. Its totient is φ = 4168360.
The previous prime is 12505091. The next prime is 12505093. The reversal of 12505092 is 29050521.
It is an interprime number because it is at equal distance from previous prime (12505091) and next prime (12505093).
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (12505091) 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, 521034 + ... + 521057.
It is an arithmetic number, because the mean of its divisors is an integer number (2431548).
Almost surely, 212505092 is an apocalyptic number.
12505092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12505092 is an abundant number, since it is smaller than the sum of its proper divisors (16673484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12505092 is a wasteful number, since it uses less digits than its factorization.
12505092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1042098 (or 1042096 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 24.
The square root of 12505092 is about 3536.2539501569. The cubic root of 12505092 is about 232.1109506963.
The spelling of 12505092 in words is "twelve million, five hundred five thousand, ninety-two".
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