Base | Representation |
---|---|
bin | 101111111011… |
… | …1010011010100 |
3 | 1202021202011000 |
4 | 1133313103110 |
5 | 22413131241 |
6 | 2254343300 |
7 | 423413610 |
oct | 137672324 |
9 | 52252130 |
10 | 25130196 |
11 | 13204763 |
12 | 84bab30 |
13 | 528b550 |
14 | 34a2340 |
15 | 2315eb6 |
hex | 17f74d4 |
25130196 has 96 divisors (see below), whose sum is σ = 80218880. Its totient is φ = 6625152.
The previous prime is 25130173. The next prime is 25130201. The reversal of 25130196 is 69103152.
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 8550 + ... + 11106.
Almost surely, 225130196 is an apocalyptic number.
25130196 is a gapful number since it is divisible by the number (26) 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 25130196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40109440).
25130196 is an abundant number, since it is smaller than the sum of its proper divisors (55088684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25130196 is a wasteful number, since it uses less digits than its factorization.
25130196 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2590 (or 2582 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
The square root of 25130196 is about 5013.0026929975. The cubic root of 25130196 is about 292.9084890905.
Subtracting from 25130196 its sum of digits (27), we obtain a square (25130169 = 50132).
The spelling of 25130196 in words is "twenty-five million, one hundred thirty thousand, one hundred ninety-six".
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