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69997201 is a prime number
BaseRepresentation
bin1000010110000…
…01001010010001
311212201020002221
410023001022101
5120404402301
610540141041
71506652321
oct413011221
9155636087
1069997201
1136569a2a
121b537781
131166a481
149421281
156229da1
hex42c1291

69997201 has 2 divisors, whose sum is σ = 69997202. Its totient is φ = 69997200.

The previous prime is 69997199. The next prime is 69997219. The reversal of 69997201 is 10279996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67897600 + 2099601 = 8240^2 + 1449^2 .

It is a cyclic number.

It is not a de Polignac number, because 69997201 - 21 = 69997199 is a prime.

Together with 69997199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (69997261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34998600 + 34998601.

It is an arithmetic number, because the mean of its divisors is an integer number (34998601).

Almost surely, 269997201 is an apocalyptic number.

It is an amenable number.

69997201 is a deficient number, since it is larger than the sum of its proper divisors (1).

69997201 is an equidigital number, since it uses as much as digits as its factorization.

69997201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 69997201 is about 8366.4329914247. The cubic root of 69997201 is about 412.1230368231.

The spelling of 69997201 in words is "sixty-nine million, nine hundred ninety-seven thousand, two hundred one".