Base | Representation |
---|---|
bin | 1000011100101… |
… | …01110010011101 |
3 | 11221100110210101 |
4 | 10032111302131 |
5 | 121120240000 |
6 | 11010541101 |
7 | 1520240416 |
oct | 416256235 |
9 | 157313711 |
10 | 70868125 |
11 | 370042a9 |
12 | 1b897791 |
13 | 118b3a03 |
14 | 95aa80d |
15 | 634ce6a |
hex | 4395c9d |
70868125 has 20 divisors (see below), whose sum is σ = 89268300. Its totient is φ = 56240000.
The previous prime is 70868123. The next prime is 70868137. The reversal of 70868125 is 52186807.
It can be written as a sum of positive squares in 10 ways, for example, as 70375321 + 492804 = 8389^2 + 702^2 .
It is not a de Polignac number, because 70868125 - 21 = 70868123 is a prime.
It is a super-2 number, since 2×708681252 = 10044582282031250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70868123) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92745 + ... + 93505.
It is an arithmetic number, because the mean of its divisors is an integer number (4463415).
Almost surely, 270868125 is an apocalyptic number.
It is an amenable number.
70868125 is a deficient number, since it is larger than the sum of its proper divisors (18400175).
70868125 is an equidigital number, since it uses as much as digits as its factorization.
70868125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 930 (or 915 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 37.
The square root of 70868125 is about 8418.3207945528. The cubic root of 70868125 is about 413.8252449989.
The spelling of 70868125 in words is "seventy million, eight hundred sixty-eight thousand, one hundred twenty-five".
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