Base | Representation |
---|---|
bin | 11101001101110… |
… | …01101111110001 |
3 | 122002011022012221 |
4 | 32212321233301 |
5 | 1000220012100 |
6 | 40152521041 |
7 | 6034065052 |
oct | 1646715761 |
9 | 562138187 |
10 | 245079025 |
11 | 116382554 |
12 | 6a0b0181 |
13 | 3ba0b899 |
14 | 24798729 |
15 | 167b101a |
hex | e9b9bf1 |
245079025 has 27 divisors (see below), whose sum is σ = 317157249. Its totient is φ = 187860000.
The previous prime is 245079011. The next prime is 245079067. The reversal of 245079025 is 520970542.
The square root of 245079025 is 15655.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 45252529 + 199826496 = 6727^2 + 14136^2 .
It is not a de Polignac number, because 245079025 - 25 = 245078993 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2426475 + ... + 2426575.
Almost surely, 2245079025 is an apocalyptic number.
245079025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
245079025 is the 15655-th square number.
245079025 is the 7828-th centered octagonal number.
It is an amenable number.
245079025 is a deficient number, since it is larger than the sum of its proper divisors (72078224).
245079025 is an equidigital number, since it uses as much as digits as its factorization.
245079025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 274 (or 137 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 34.
The cubic root of 245079025 is about 625.7997442182.
The spelling of 245079025 in words is "two hundred forty-five million, seventy-nine thousand, twenty-five".
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