Base | Representation |
---|---|
bin | 110000100101… |
… | …0110010000010 |
3 | 1202221010012020 |
4 | 1201022302002 |
5 | 23010102010 |
6 | 2305542310 |
7 | 426336525 |
oct | 141126202 |
9 | 52833166 |
10 | 25472130 |
11 | 13418652 |
12 | 8644996 |
13 | 537b088 |
14 | 3550bbc |
15 | 2382470 |
hex | 184ac82 |
25472130 has 32 divisors (see below), whose sum is σ = 61483968. Its totient is φ = 6753600.
The previous prime is 25472087. The next prime is 25472147. The reversal of 25472130 is 3127452.
It is a self number, because there is not a number n which added to its sum of digits gives 25472130.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3085 + ... + 7775.
It is an arithmetic number, because the mean of its divisors is an integer number (1921374).
Almost surely, 225472130 is an apocalyptic number.
25472130 is an abundant number, since it is smaller than the sum of its proper divisors (36011838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25472130 is a wasteful number, since it uses less digits than its factorization.
25472130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4882.
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 25472130 is about 5046.9921735624. The cubic root of 25472130 is about 294.2309952843.
Adding to 25472130 its reverse (3127452), we get a palindrome (28599582).
The spelling of 25472130 in words is "twenty-five million, four hundred seventy-two thousand, one hundred thirty".
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