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70036289 is a prime number
BaseRepresentation
bin1000010110010…
…10101101000001
311212210012201122
410023022231001
5120412130124
610541042025
71510204301
oct413125501
9155705648
1070036289
1136596334
121b556315
13116821bb
149431601
15623675e
hex42cab41

70036289 has 2 divisors, whose sum is σ = 70036290. Its totient is φ = 70036288.

The previous prime is 70036283. The next prime is 70036303. The reversal of 70036289 is 98263007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69889600 + 146689 = 8360^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 70036289 - 216 = 69970753 is a prime.

It is not a weakly prime, because it can be changed into another prime (70036283) 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, 35018144 + 35018145.

It is an arithmetic number, because the mean of its divisors is an integer number (35018145).

Almost surely, 270036289 is an apocalyptic number.

It is an amenable number.

70036289 is a deficient number, since it is larger than the sum of its proper divisors (1).

70036289 is an equidigital number, since it uses as much as digits as its factorization.

70036289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 70036289 is about 8368.7686668948. The cubic root of 70036289 is about 412.1997354501.

The spelling of 70036289 in words is "seventy million, thirty-six thousand, two hundred eighty-nine".