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67080491 is a prime number
BaseRepresentation
bin1111111111100…
…1000100101011
311200020001010122
43333321010223
5114133033431
610353433455
71443113642
oct377710453
9150201118
1067080491
1134957625
121a56b88b
1310b889ca
148ca2359
155d50a7b
hex3ff912b

67080491 has 2 divisors, whose sum is σ = 67080492. Its totient is φ = 67080490.

The previous prime is 67080479. The next prime is 67080527. The reversal of 67080491 is 19408076.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-67080491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67080191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33540245 + 33540246.

It is an arithmetic number, because the mean of its divisors is an integer number (33540246).

Almost surely, 267080491 is an apocalyptic number.

67080491 is a deficient number, since it is larger than the sum of its proper divisors (1).

67080491 is an equidigital number, since it uses as much as digits as its factorization.

67080491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 67080491 is about 8190.2680664310. The cubic root of 67080491 is about 406.3173907611.

The spelling of 67080491 in words is "sixty-seven million, eighty thousand, four hundred ninety-one".