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67888001 is a prime number
BaseRepresentation
bin1000000101111…
…10001110000001
311201202001211102
410002332032001
5114334404001
610423024145
71453016126
oct402761601
9151661742
1067888001
1135359295
121a89b055
13110ac41c
14903274d
155e5ee6b
hex40be381

67888001 has 2 divisors, whose sum is σ = 67888002. Its totient is φ = 67888000.

The previous prime is 67887917. The next prime is 67888057. The reversal of 67888001 is 10088876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63043600 + 4844401 = 7940^2 + 2201^2 .

It is a cyclic number.

It is not a de Polignac number, because 67888001 - 222 = 63693697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67888061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33944000 + 33944001.

It is an arithmetic number, because the mean of its divisors is an integer number (33944001).

Almost surely, 267888001 is an apocalyptic number.

It is an amenable number.

67888001 is a deficient number, since it is larger than the sum of its proper divisors (1).

67888001 is an equidigital number, since it uses as much as digits as its factorization.

67888001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 67888001 is about 8239.4175158199. The cubic root of 67888001 is about 407.9412981834.

The spelling of 67888001 in words is "sixty-seven million, eight hundred eighty-eight thousand, one".