Base | Representation |
---|---|
bin | 101111101011… |
… | …1100001110000 |
3 | 1202001010121201 |
4 | 1133113201300 |
5 | 22400000143 |
6 | 2251500544 |
7 | 422332303 |
oct | 137274160 |
9 | 52033551 |
10 | 25000048 |
11 | 131259a7 |
12 | 8457754 |
13 | 5244238 |
14 | 346ab3a |
15 | 22dc64d |
hex | 17d7870 |
25000048 has 20 divisors (see below), whose sum is σ = 50987560. Its totient is φ = 11841984.
The previous prime is 25000033. The next prime is 25000069. The reversal of 25000048 is 84000052.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 24999989 and 25000034.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40815 + ... + 41422.
It is an arithmetic number, because the mean of its divisors is an integer number (2549378).
Almost surely, 225000048 is an apocalyptic number.
It is an amenable number.
25000048 is an abundant number, since it is smaller than the sum of its proper divisors (25987512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25000048 is a wasteful number, since it uses less digits than its factorization.
25000048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82264 (or 82258 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 25000048 is about 5000.0047999977. The cubic root of 25000048 is about 292.4019609583.
The spelling of 25000048 in words is "twenty-five million, forty-eight", and thus it is an aban number and an uban number.
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