Base | Representation |
---|---|
bin | 101111111001… |
… | …1000110011000 |
3 | 1202020212112112 |
4 | 1133303012120 |
5 | 22412103414 |
6 | 2254131452 |
7 | 423312461 |
oct | 137630630 |
9 | 52225475 |
10 | 25112984 |
11 | 131a2836 |
12 | 84b0b88 |
13 | 5283770 |
14 | 3499d68 |
15 | 2310d3e |
hex | 17f3198 |
25112984 has 64 divisors (see below), whose sum is σ = 54432000. Its totient is φ = 10765440.
The previous prime is 25112977. The next prime is 25112999. The reversal of 25112984 is 48921152.
Its product of digits (5760) is a multiple of the sum of its prime factors (288).
It is a self number, because there is not a number n which added to its sum of digits gives 25112984.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140207 + ... + 140385.
It is an arithmetic number, because the mean of its divisors is an integer number (850500).
Almost surely, 225112984 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 25112984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27216000).
25112984 is an abundant number, since it is smaller than the sum of its proper divisors (29319016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25112984 is a wasteful number, since it uses less digits than its factorization.
25112984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288 (or 284 counting only the distinct ones).
The product of its digits is 5760, while the sum is 32.
The square root of 25112984 is about 5011.2856633802. The cubic root of 25112984 is about 292.8416015321.
The spelling of 25112984 in words is "twenty-five million, one hundred twelve thousand, nine hundred eighty-four".
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