Base | Representation |
---|---|
bin | 101111110111… |
… | …1011110001000 |
3 | 1202020010011000 |
4 | 1133233132020 |
5 | 22411114440 |
6 | 2253535000 |
7 | 423221235 |
oct | 137573610 |
9 | 52203130 |
10 | 25098120 |
11 | 13192653 |
12 | 84a4460 |
13 | 5279a78 |
14 | 349478c |
15 | 230b730 |
hex | 17ef788 |
25098120 has 128 divisors (see below), whose sum is σ = 88646400. Its totient is φ = 6294528.
The previous prime is 25098053. The next prime is 25098131. The reversal of 25098120 is 2189052.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17677 + ... + 19043.
It is an arithmetic number, because the mean of its divisors is an integer number (692550).
Almost surely, 225098120 is an apocalyptic number.
25098120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25098120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44323200).
25098120 is an abundant number, since it is smaller than the sum of its proper divisors (63548280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25098120 is a wasteful number, since it uses less digits than its factorization.
25098120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1404 (or 1394 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 25098120 is about 5009.8023913125. The cubic root of 25098120 is about 292.7838139400.
It can be divided in two parts, 250981 and 20, that added together give a square (251001 = 5012).
The spelling of 25098120 in words is "twenty-five million, ninety-eight thousand, one hundred twenty".
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