Base | Representation |
---|---|
bin | 110000110100… |
… | …0110100010000 |
3 | 1210011100221121 |
4 | 1201220310100 |
5 | 23023021102 |
6 | 2312332024 |
7 | 430361302 |
oct | 141506420 |
9 | 53140847 |
10 | 25595152 |
11 | 134a2020 |
12 | 86a4014 |
13 | 53c207b |
14 | 3583972 |
15 | 23a8b37 |
hex | 1868d10 |
25595152 has 40 divisors (see below), whose sum is σ = 55433952. Its totient is φ = 11347200.
The previous prime is 25595107. The next prime is 25595153. The reversal of 25595152 is 25159552.
It is a happy number.
It is a super-3 number, since 3×255951523 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (25595153) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5443 + ... + 8989.
Almost surely, 225595152 is an apocalyptic number.
25595152 is a gapful number since it is divisible by the number (22) 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 25595152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27716976).
25595152 is an abundant number, since it is smaller than the sum of its proper divisors (29838800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25595152 is a wasteful number, since it uses less digits than its factorization.
25595152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3607 (or 3601 counting only the distinct ones).
The product of its digits is 22500, while the sum is 34.
The square root of 25595152 is about 5059.1651485201. The cubic root of 25595152 is about 294.7039143576.
Subtracting from 25595152 its reverse (25159552), we obtain a square (435600 = 6602).
The spelling of 25595152 in words is "twenty-five million, five hundred ninety-five thousand, one hundred fifty-two".
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