Base | Representation |
---|---|
bin | 110000010000… |
… | …0111110100100 |
3 | 1202121102022101 |
4 | 1200200332210 |
5 | 22434112100 |
6 | 2302141444 |
7 | 425024362 |
oct | 140407644 |
9 | 52542271 |
10 | 25300900 |
11 | 13310a39 |
12 | 8581884 |
13 | 531b161 |
14 | 3508632 |
15 | 234b86a |
hex | 1820fa4 |
25300900 has 27 divisors (see below), whose sum is σ = 55012321. Its totient is φ = 10100240.
The previous prime is 25300889. The next prime is 25300901. The reversal of 25300900 is 900352.
The square root of 25300900 is 5030.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 9108324 + 16192576 = 3018^2 + 4024^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25300901) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 50049 + ... + 50551.
Almost surely, 225300900 is an apocalyptic number.
25300900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
25300900 is the 5030-th square number.
It is an amenable number.
25300900 is an abundant number, since it is smaller than the sum of its proper divisors (29711421).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25300900 is an equidigital number, since it uses as much as digits as its factorization.
25300900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1020 (or 510 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 19.
The cubic root of 25300900 is about 293.5702144176.
The spelling of 25300900 in words is "twenty-five million, three hundred thousand, nine hundred".
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