Base | Representation |
---|---|
bin | 110001000111… |
… | …1110111010010 |
3 | 1210110111100020 |
4 | 1202033313102 |
5 | 23043130330 |
6 | 2320004310 |
7 | 431625504 |
oct | 142176722 |
9 | 53414306 |
10 | 25755090 |
11 | 135a11a9 |
12 | 8760696 |
13 | 5449aca |
14 | 35c5d74 |
15 | 23db210 |
hex | 188fdd2 |
25755090 has 16 divisors (see below), whose sum is σ = 61812288. Its totient is φ = 6868016.
The previous prime is 25755083. The next prime is 25755091. The reversal of 25755090 is 9055752.
It is not an unprimeable number, because it can be changed into a prime (25755091) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429222 + ... + 429281.
It is an arithmetic number, because the mean of its divisors is an integer number (3863268).
Almost surely, 225755090 is an apocalyptic number.
25755090 is an abundant number, since it is smaller than the sum of its proper divisors (36057198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25755090 is a wasteful number, since it uses less digits than its factorization.
25755090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 858513.
The product of its (nonzero) digits is 15750, while the sum is 33.
The square root of 25755090 is about 5074.9472903667. The cubic root of 25755090 is about 295.3164850110.
The spelling of 25755090 in words is "twenty-five million, seven hundred fifty-five thousand, ninety".
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