Base | Representation |
---|---|
bin | 10001010101011… |
… | …010010000101100 |
3 | 202021020110020221 |
4 | 101111122100230 |
5 | 1043422402020 |
6 | 44505221124 |
7 | 10130655025 |
oct | 2125322054 |
9 | 667213227 |
10 | 290825260 |
11 | 13a188360 |
12 | 814917a4 |
13 | 48337a6b |
14 | 2a8a5c4c |
15 | 1a7ea6aa |
hex | 1155a42c |
290825260 has 48 divisors (see below), whose sum is σ = 687762432. Its totient is φ = 102340800.
The previous prime is 290825243. The next prime is 290825261. The reversal of 290825260 is 62528092.
It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (290825261) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14502 + ... + 28141.
It is an arithmetic number, because the mean of its divisors is an integer number (14328384).
Almost surely, 2290825260 is an apocalyptic number.
290825260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
290825260 is an abundant number, since it is smaller than the sum of its proper divisors (396937172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290825260 is a wasteful number, since it uses less digits than its factorization.
290825260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42694 (or 42692 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 290825260 is about 17053.5996200216. The cubic root of 290825260 is about 662.5378718115.
The spelling of 290825260 in words is "two hundred ninety million, eight hundred twenty-five thousand, two hundred sixty".
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