Base | Representation |
---|---|
bin | 110000001001… |
… | …0100111000000 |
3 | 1202111102120200 |
4 | 1200102213000 |
5 | 22430221143 |
6 | 2301005200 |
7 | 424360656 |
oct | 140224700 |
9 | 52442520 |
10 | 25242048 |
11 | 132807a7 |
12 | 8553800 |
13 | 52ca430 |
14 | 34d0dd6 |
15 | 23391d3 |
hex | 18129c0 |
25242048 has 84 divisors (see below), whose sum is σ = 77940408. Its totient is φ = 7764480.
The previous prime is 25242047. The next prime is 25242071. The reversal of 25242048 is 84024252.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25242047) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5803 + ... + 9173.
It is an arithmetic number, because the mean of its divisors is an integer number (927862).
Almost surely, 225242048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25242048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38970204).
25242048 is an abundant number, since it is smaller than the sum of its proper divisors (52698360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25242048 is a wasteful number, since it uses less digits than its factorization.
25242048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3402 (or 3389 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 27.
The square root of 25242048 is about 5024.1464946795. The cubic root of 25242048 is about 293.3424147785.
The spelling of 25242048 in words is "twenty-five million, two hundred forty-two thousand, forty-eight".
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