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69885223 is a prime number
BaseRepresentation
bin1000010101001…
…01110100100111
311212111112111121
410022211310213
5120342311343
610533514411
71506005002
oct412456447
9155445447
1069885223
11364a2891
121b4a2a07
131162b505
1493d2539
156206aed
hex42a5d27

69885223 has 2 divisors, whose sum is σ = 69885224. Its totient is φ = 69885222.

The previous prime is 69885139. The next prime is 69885227. The reversal of 69885223 is 32258896.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69885223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69885223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69885227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34942611 + 34942612.

It is an arithmetic number, because the mean of its divisors is an integer number (34942612).

Almost surely, 269885223 is an apocalyptic number.

69885223 is a deficient number, since it is larger than the sum of its proper divisors (1).

69885223 is an equidigital number, since it uses as much as digits as its factorization.

69885223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 69885223 is about 8359.7382136045. The cubic root of 69885223 is about 411.9031549638.

The spelling of 69885223 in words is "sixty-nine million, eight hundred eighty-five thousand, two hundred twenty-three".