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67868201 is a prime number
BaseRepresentation
bin1000000101110…
…01011000101001
311201201001200002
410002321120221
5114333240301
610422352345
71452604322
oct402713051
9151631602
1067868201
1135345425
121a88b6b5
13110a33cb
149029449
155e5916b
hex40b9629

67868201 has 2 divisors, whose sum is σ = 67868202. Its totient is φ = 67868200.

The previous prime is 67868197. The next prime is 67868219. The reversal of 67868201 is 10286876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 17472400 = 7099^2 + 4180^2 .

It is a cyclic number.

It is not a de Polignac number, because 67868201 - 22 = 67868197 is a prime.

It is not a weakly prime, because it can be changed into another prime (67868291) 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, 33934100 + 33934101.

It is an arithmetic number, because the mean of its divisors is an integer number (33934101).

Almost surely, 267868201 is an apocalyptic number.

It is an amenable number.

67868201 is a deficient number, since it is larger than the sum of its proper divisors (1).

67868201 is an equidigital number, since it uses as much as digits as its factorization.

67868201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 67868201 is about 8238.2158869503. The cubic root of 67868201 is about 407.9016347035.

The spelling of 67868201 in words is "sixty-seven million, eight hundred sixty-eight thousand, two hundred one".