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4313081 is a prime number
BaseRepresentation
bin10000011100111111111001
322010010102202
4100130333321
52101004311
6232235545
751442403
oct20347771
98103382
104313081
112486533
12153bbb5
13b80226
14803b73
155a2e3b
hex41cff9

4313081 has 2 divisors, whose sum is σ = 4313082. Its totient is φ = 4313080.

The previous prime is 4313041. The next prime is 4313093. The reversal of 4313081 is 1803134.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2920681 + 1392400 = 1709^2 + 1180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4313081 is a prime.

It is a super-2 number, since 2×43130812 = 37205335425122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4313041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156540 + 2156541.

It is an arithmetic number, because the mean of its divisors is an integer number (2156541).

Almost surely, 24313081 is an apocalyptic number.

It is an amenable number.

4313081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4313081 is an equidigital number, since it uses as much as digits as its factorization.

4313081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4313081 is about 2076.7958493795. The cubic root of 4313081 is about 162.7780612034.

The spelling of 4313081 in words is "four million, three hundred thirteen thousand, eighty-one".