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6969121 is a prime number
BaseRepresentation
bin11010100101011100100001
3111010001211121
4122211130201
53241002441
6405212241
7113144065
oct32453441
914101747
106969121
113a30005
122401081
1315a0153
14cd5aa5
15929dd1
hex6a5721

6969121 has 2 divisors, whose sum is σ = 6969122. Its totient is φ = 6969120.

The previous prime is 6969107. The next prime is 6969173. The reversal of 6969121 is 1219696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5588496 + 1380625 = 2364^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 6969121 - 25 = 6969089 is a prime.

It is not a weakly prime, because it can be changed into another prime (6969191) 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, 3484560 + 3484561.

It is an arithmetic number, because the mean of its divisors is an integer number (3484561).

Almost surely, 26969121 is an apocalyptic number.

It is an amenable number.

6969121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6969121 is an equidigital number, since it uses as much as digits as its factorization.

6969121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 34.

The square root of 6969121 is about 2639.9092787443. The cubic root of 6969121 is about 191.0114207876.

The spelling of 6969121 in words is "six million, nine hundred sixty-nine thousand, one hundred twenty-one".