Base | Representation |
---|---|
bin | 101111110000… |
… | …1010111111100 |
3 | 1202010011221111 |
4 | 1133201113330 |
5 | 22402243010 |
6 | 2252411404 |
7 | 422561011 |
oct | 137412774 |
9 | 52104844 |
10 | 25040380 |
11 | 13153232 |
12 | 8476b64 |
13 | 52596c1 |
14 | 347b708 |
15 | 22e958a |
hex | 17e15fc |
25040380 has 24 divisors (see below), whose sum is σ = 53579232. Its totient is φ = 9826752.
The previous prime is 25040377. The next prime is 25040413. The reversal of 25040380 is 8304052.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10752 + ... + 12871.
It is an arithmetic number, because the mean of its divisors is an integer number (2232468).
Almost surely, 225040380 is an apocalyptic number.
25040380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25040380 is an abundant number, since it is smaller than the sum of its proper divisors (28538852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25040380 is a wasteful number, since it uses less digits than its factorization.
25040380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23685 (or 23683 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 25040380 is about 5004.0363707711. The cubic root of 25040380 is about 292.5591182525.
The spelling of 25040380 in words is "twenty-five million, forty thousand, three hundred eighty".
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