Base | Representation |
---|---|
bin | 101111111011… |
… | …1000001100100 |
3 | 1202021200120221 |
4 | 1133313001210 |
5 | 22413112220 |
6 | 2254334124 |
7 | 423410365 |
oct | 137670144 |
9 | 52250527 |
10 | 25129060 |
11 | 13203920 |
12 | 84ba344 |
13 | 528ab88 |
14 | 34a1b6c |
15 | 23159aa |
hex | 17f7064 |
25129060 has 48 divisors (see below), whose sum is σ = 60963840. Its totient is φ = 8599040.
The previous prime is 25129037. The next prime is 25129063. The reversal of 25129060 is 6092152.
It is not an unprimeable number, because it can be changed into a prime (25129063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381 + ... + 7099.
It is an arithmetic number, because the mean of its divisors is an integer number (1270080).
Almost surely, 225129060 is an apocalyptic number.
25129060 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 25129060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30481920).
25129060 is an abundant number, since it is smaller than the sum of its proper divisors (35834780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25129060 is a wasteful number, since it uses less digits than its factorization.
25129060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6756 (or 6754 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 25129060 is about 5012.8893863719. The cubic root of 25129060 is about 292.9040754221.
The spelling of 25129060 in words is "twenty-five million, one hundred twenty-nine thousand, sixty".
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