Base | Representation |
---|---|
bin | 111111110010010010011 |
3 | 10221012010021 |
4 | 13332102103 |
5 | 1013341011 |
6 | 112444311 |
7 | 23523451 |
oct | 7762223 |
9 | 3835107 |
10 | 2090131 |
11 | 11a838a |
12 | 849697 |
13 | 582484 |
14 | 3c59d1 |
15 | 2b4471 |
hex | 1fe493 |
2090131 has 2 divisors, whose sum is σ = 2090132. Its totient is φ = 2090130.
The previous prime is 2090119. The next prime is 2090147. The reversal of 2090131 is 1310902.
It is an a-pointer prime, because the next prime (2090147) can be obtained adding 2090131 to its sum of digits (16).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2090131 - 27 = 2090003 is a prime.
It is a super-2 number, since 2×20901312 = 8737295194322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2090111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045065 + 1045066.
It is an arithmetic number, because the mean of its divisors is an integer number (1045066).
22090131 is an apocalyptic number.
2090131 is a deficient number, since it is larger than the sum of its proper divisors (1).
2090131 is an equidigital number, since it uses as much as digits as its factorization.
2090131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 2090131 is about 1445.7285360675. The cubic root of 2090131 is about 127.8569976858.
The spelling of 2090131 in words is "two million, ninety thousand, one hundred thirty-one".
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