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969870841 is a prime number
BaseRepresentation
bin111001110011110…
…000110111111001
32111120222112200021
4321303300313321
53441241331331
6240123410441
733014523532
oct7163606771
92446875607
10969870841
11458515355
12230983a21
13125c1b494
1492b47689
155a22e211
hex39cf0df9

969870841 has 2 divisors, whose sum is σ = 969870842. Its totient is φ = 969870840.

The previous prime is 969870833. The next prime is 969870883. The reversal of 969870841 is 148078969.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 778186816 + 191684025 = 27896^2 + 13845^2 .

It is an emirp because it is prime and its reverse (148078969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 969870841 - 23 = 969870833 is a prime.

It is not a weakly prime, because it can be changed into another prime (969870541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484935420 + 484935421.

It is an arithmetic number, because the mean of its divisors is an integer number (484935421).

Almost surely, 2969870841 is an apocalyptic number.

It is an amenable number.

969870841 is a deficient number, since it is larger than the sum of its proper divisors (1).

969870841 is an equidigital number, since it uses as much as digits as its factorization.

969870841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 969870841 is about 31142.7494129854. The cubic root of 969870841 is about 989.8543611221.

The spelling of 969870841 in words is "nine hundred sixty-nine million, eight hundred seventy thousand, eight hundred forty-one".