Base | Representation |
---|---|
bin | 101111101110… |
… | …1110001011100 |
3 | 1202002102201010 |
4 | 1133131301130 |
5 | 22401310003 |
6 | 2252215220 |
7 | 422500005 |
oct | 137356134 |
9 | 52072633 |
10 | 25025628 |
11 | 13143141 |
12 | 846a510 |
13 | 5252a84 |
14 | 34761ac |
15 | 22e5003 |
hex | 17ddc5c |
25025628 has 12 divisors (see below), whose sum is σ = 58393160. Its totient is φ = 8341872.
The previous prime is 25025599. The next prime is 25025629. The reversal of 25025628 is 82652052.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-3 number, since 3×250256283 (a number of 23 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 25025595 and 25025604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25025629) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042723 + ... + 1042746.
Almost surely, 225025628 is an apocalyptic number.
It is an amenable number.
25025628 is an abundant number, since it is smaller than the sum of its proper divisors (33367532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25025628 is a wasteful number, since it uses less digits than its factorization.
25025628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2085476 (or 2085474 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 30.
The square root of 25025628 is about 5002.5621435420. The cubic root of 25025628 is about 292.5016553343.
It can be divided in two parts, 250 and 25628, that added together give a triangular number (25878 = T227).
The spelling of 25025628 in words is "twenty-five million, twenty-five thousand, six hundred twenty-eight".
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