Base | Representation |
---|---|
bin | 101111110110… |
… | …1000011101110 |
3 | 1202012121121000 |
4 | 1133231003232 |
5 | 22410310423 |
6 | 2253421130 |
7 | 423150360 |
oct | 137550356 |
9 | 52177530 |
10 | 25088238 |
11 | 1318618a |
12 | 849a7a6 |
13 | 5275416 |
14 | 3490d30 |
15 | 2308843 |
hex | 17ed0ee |
25088238 has 64 divisors (see below), whose sum is σ = 65802240. Its totient is φ = 6933600.
The previous prime is 25088201. The next prime is 25088279. The reversal of 25088238 is 83288052.
It is a congruent number.
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, 10648 + ... + 12788.
It is an arithmetic number, because the mean of its divisors is an integer number (1028160).
Almost surely, 225088238 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25088238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32901120).
25088238 is an abundant number, since it is smaller than the sum of its proper divisors (40714002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25088238 is a wasteful number, since it uses less digits than its factorization.
25088238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2190 (or 2184 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 25088238 is about 5008.8160277654. The cubic root of 25088238 is about 292.7453825161.
It can be divided in two parts, 250 and 88238, that added together give a palindrome (88488).
The spelling of 25088238 in words is "twenty-five million, eighty-eight thousand, two hundred thirty-eight".
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