Base | Representation |
---|---|
bin | 101111000101… |
… | …111100100101 |
3 | 212020012022212 |
4 | 233011330211 |
5 | 11130021000 |
6 | 1120333205 |
7 | 206634422 |
oct | 57057445 |
9 | 25205285 |
10 | 12345125 |
11 | 6a72091 |
12 | 4174205 |
13 | 2733110 |
14 | 18d4d49 |
15 | 113cc35 |
hex | bc5f25 |
12345125 has 32 divisors (see below), whose sum is σ = 16982784. Its totient is φ = 8904000.
The previous prime is 12345121. The next prime is 12345127. The reversal of 12345125 is 52154321.
It is not a de Polignac number, because 12345125 - 22 = 12345121 is a prime.
It is a super-2 number, since 2×123451252 = 304804222531250, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12345125.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12345121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115322 + ... + 115428.
It is an arithmetic number, because the mean of its divisors is an integer number (530712).
Almost surely, 212345125 is an apocalyptic number.
It is an amenable number.
12345125 is a deficient number, since it is larger than the sum of its proper divisors (4637659).
12345125 is a wasteful number, since it uses less digits than its factorization.
12345125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206 (or 196 counting only the distinct ones).
The product of its digits is 1200, while the sum is 23.
The square root of 12345125 is about 3513.5630064082. The cubic root of 12345125 is about 231.1169675555.
Adding to 12345125 its reverse (52154321), we get a palindrome (64499446).
The spelling of 12345125 in words is "twelve million, three hundred forty-five thousand, one hundred twenty-five".
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