Base | Representation |
---|---|
bin | 110000011011… |
… | …1101101101001 |
3 | 1202210011001110 |
4 | 1200313231221 |
5 | 23000102100 |
6 | 2304140533 |
7 | 425563026 |
oct | 140675551 |
9 | 52704043 |
10 | 25394025 |
11 | 133749a8 |
12 | 8607749 |
13 | 5351667 |
14 | 353054d |
15 | 2369250 |
hex | 1837b69 |
25394025 has 24 divisors (see below), whose sum is σ = 43124224. Its totient is φ = 13176000.
The previous prime is 25394021. The next prime is 25394027. The reversal of 25394025 is 52049352.
It is not a de Polignac number, because 25394025 - 22 = 25394021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25393983 and 25394001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25394021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1801 + ... + 7350.
Almost surely, 225394025 is an apocalyptic number.
25394025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25394025 is a deficient number, since it is larger than the sum of its proper divisors (17730199).
25394025 is a wasteful number, since it uses less digits than its factorization.
25394025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9201 (or 9196 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 25394025 is about 5039.2484558712. The cubic root of 25394025 is about 293.9299546213.
The spelling of 25394025 in words is "twenty-five million, three hundred ninety-four thousand, twenty-five".
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