Base | Representation |
---|---|
bin | 11101011101001… |
… | …10011100100101 |
3 | 122012221211112101 |
4 | 32232212130211 |
5 | 1001224102000 |
6 | 40304052101 |
7 | 6060201532 |
oct | 1656463445 |
9 | 565854471 |
10 | 247097125 |
11 | 117530800 |
12 | 6a904031 |
13 | 3c267322 |
14 | 24b61d89 |
15 | 16a5de6a |
hex | eba6725 |
247097125 has 72 divisors (see below), whose sum is σ = 370849752. Its totient is φ = 163680000.
The previous prime is 247097117. The next prime is 247097143. The reversal of 247097125 is 521790742.
It can be written as a sum of positive squares in 4 ways, for example, as 1046529 + 246050596 = 1023^2 + 15686^2 .
It is not a de Polignac number, because 247097125 - 23 = 247097117 is a prime.
It is a super-2 number, since 2×2470971252 = 122113978366531250, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7970860 + ... + 7970890.
It is an arithmetic number, because the mean of its divisors is an integer number (5150691).
Almost surely, 2247097125 is an apocalyptic number.
247097125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
247097125 is a deficient number, since it is larger than the sum of its proper divisors (123752627).
247097125 is a wasteful number, since it uses less digits than its factorization.
247097125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116 (or 64 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 37.
The square root of 247097125 is about 15719.3232996844. The cubic root of 247097125 is about 627.5127640880.
The spelling of 247097125 in words is "two hundred forty-seven million, ninety-seven thousand, one hundred twenty-five".
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