Base | Representation |
---|---|
bin | 101111110110… |
… | …0101000010000 |
3 | 1202012112011220 |
4 | 1133230220100 |
5 | 22410231410 |
6 | 2253405040 |
7 | 423142266 |
oct | 137545020 |
9 | 52175156 |
10 | 25086480 |
11 | 13184931 |
12 | 8499780 |
13 | 5274693 |
14 | 3490436 |
15 | 2308070 |
hex | 17eca10 |
25086480 has 40 divisors (see below), whose sum is σ = 77768832. Its totient is φ = 6689664.
The previous prime is 25086473. The next prime is 25086487. The reversal of 25086480 is 8468052.
It is an interprime number because it is at equal distance from previous prime (25086473) and next prime (25086487).
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (25086487) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52024 + ... + 52503.
Almost surely, 225086480 is an apocalyptic number.
25086480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25086480 is an abundant number, since it is smaller than the sum of its proper divisors (52682352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25086480 is a wasteful number, since it uses less digits than its factorization.
25086480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104543 (or 104537 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 25086480 is about 5008.6405341170. The cubic root of 25086480 is about 292.7385445389.
The spelling of 25086480 in words is "twenty-five million, eighty-six thousand, four hundred eighty".
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