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2090131 is a prime number
BaseRepresentation
bin111111110010010010011
310221012010021
413332102103
51013341011
6112444311
723523451
oct7762223
93835107
102090131
1111a838a
12849697
13582484
143c59d1
152b4471
hex1fe493

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".