Base | Representation |
---|---|
bin | 1000100010000110… |
… | …0000001010101001 |
3 | 12220121221122012100 |
4 | 2020201200022221 |
5 | 14142330441011 |
6 | 1015141004013 |
7 | 110521535400 |
oct | 21041401251 |
9 | 5817848170 |
10 | 2290483881 |
11 | a75a11494 |
12 | 53b0b3609 |
13 | 2a66c290a |
14 | 17a2b2637 |
15 | d6141d56 |
hex | 888602a9 |
2290483881 has 81 divisors (see below), whose sum is σ = 4015967319. Its totient is φ = 1254288672.
The previous prime is 2290483879. The next prime is 2290483891. The reversal of 2290483881 is 1883840922.
The square root of 2290483881 is 47859.
It is a perfect power (a square), and thus also a powerful number.
2290483881 is a `hidden beast` number, since 2 + 2 + 90 + 483 + 8 + 81 = 666.
It can be written as a sum of positive squares in only one way, i.e., 1651203225 + 639280656 = 40635^2 + 25284^2 .
It is not a de Polignac number, because 2290483881 - 21 = 2290483879 is a prime.
It is a super-2 number, since 2×22904838812 = 10492632818241644322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2290483841) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 43216651 + ... + 43216703.
Almost surely, 22290483881 is an apocalyptic number.
2290483881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2290483881 is the 47859-th square number.
2290483881 is the 23930-th centered octagonal number.
It is an amenable number.
2290483881 is a deficient number, since it is larger than the sum of its proper divisors (1725483438).
2290483881 is an equidigital number, since it uses as much as digits as its factorization.
2290483881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212 (or 106 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 45.
The cubic root of 2290483881 is about 1318.1831219114.
The spelling of 2290483881 in words is "two billion, two hundred ninety million, four hundred eighty-three thousand, eight hundred eighty-one".
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