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69942193 is a prime number
BaseRepresentation
bin1000010101100…
…11101110110001
311212121102122121
410022303232301
5120401122233
610535034241
71506333046
oct412635661
9155542577
1069942193
1136531672
121b50b981
131164b419
1494091cd
15621892d
hex42b3bb1

69942193 has 2 divisors, whose sum is σ = 69942194. Its totient is φ = 69942192.

The previous prime is 69942179. The next prime is 69942221. The reversal of 69942193 is 39124996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68029504 + 1912689 = 8248^2 + 1383^2 .

It is a cyclic number.

It is not a de Polignac number, because 69942193 - 25 = 69942161 is a prime.

It is not a weakly prime, because it can be changed into another prime (69943193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34971096 + 34971097.

It is an arithmetic number, because the mean of its divisors is an integer number (34971097).

Almost surely, 269942193 is an apocalyptic number.

It is an amenable number.

69942193 is a deficient number, since it is larger than the sum of its proper divisors (1).

69942193 is an equidigital number, since it uses as much as digits as its factorization.

69942193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 43.

The square root of 69942193 is about 8363.1449228146. The cubic root of 69942193 is about 412.0150515285.

The spelling of 69942193 in words is "sixty-nine million, nine hundred forty-two thousand, one hundred ninety-three".