Base | Representation |
---|---|
bin | 110000011110… |
… | …0110001010100 |
3 | 1202211012110200 |
4 | 1200330301110 |
5 | 23001232430 |
6 | 2304420500 |
7 | 426010311 |
oct | 140746124 |
9 | 52735420 |
10 | 25414740 |
11 | 1338951a |
12 | 8617730 |
13 | 535ac10 |
14 | 3537d08 |
15 | 2370460 |
hex | 183cc54 |
25414740 has 72 divisors (see below), whose sum is σ = 83029128. Its totient is φ = 6255360.
The previous prime is 25414729. The next prime is 25414757. The reversal of 25414740 is 4741452.
It can be written as a sum of positive squares in 4 ways, for example, as 133956 + 25280784 = 366^2 + 5028^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3091 + ... + 7770.
Almost surely, 225414740 is an apocalyptic number.
25414740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25414740 is an abundant number, since it is smaller than the sum of its proper divisors (57614388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25414740 is a wasteful number, since it uses less digits than its factorization.
25414740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10889 (or 10884 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 27.
The square root of 25414740 is about 5041.3034028910. The cubic root of 25414740 is about 294.0098566736.
The spelling of 25414740 in words is "twenty-five million, four hundred fourteen thousand, seven hundred forty".
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