Base | Representation |
---|---|
bin | 110011010101… |
… | …011011100101 |
3 | 221022200201001 |
4 | 303111123211 |
5 | 11421112000 |
6 | 1200233301 |
7 | 222245413 |
oct | 63253345 |
9 | 27280631 |
10 | 13457125 |
11 | 76615a0 |
12 | 460b831 |
13 | 2a322c6 |
14 | 1b042b3 |
15 | 12ac46a |
hex | cd56e5 |
13457125 has 16 divisors (see below), whose sum is σ = 18323136. Its totient is φ = 9786000.
The previous prime is 13457123. The next prime is 13457137. The reversal of 13457125 is 52175431.
13457125 = 962 + 972 + ... + 3452.
It is a happy number.
It is not a de Polignac number, because 13457125 - 21 = 13457123 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13457093 and 13457102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13457123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3519 + ... + 6268.
It is an arithmetic number, because the mean of its divisors is an integer number (1145196).
Almost surely, 213457125 is an apocalyptic number.
It is an amenable number.
13457125 is a deficient number, since it is larger than the sum of its proper divisors (4866011).
13457125 is an equidigital number, since it uses as much as digits as its factorization.
13457125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9813 (or 9803 counting only the distinct ones).
The product of its digits is 4200, while the sum is 28.
The square root of 13457125 is about 3668.3954257959. The cubic root of 13457125 is about 237.8578170601.
The spelling of 13457125 in words is "thirteen million, four hundred fifty-seven thousand, one hundred twenty-five".
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