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85331269 = 1792931627
BaseRepresentation
bin1010001011000…
…00110101000101
312221120021111101
411011200311011
5133321100034
612244540101
72054206132
oct505406505
9187507441
1085331269
1144192711
12246b1631
13148a8b9a
14b493589
157758514
hex5160d45

85331269 has 8 divisors (see below), whose sum is σ = 86153760. Its totient is φ = 84512976.

The previous prime is 85331263. The next prime is 85331293. The reversal of 85331269 is 96213358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85331269 - 25 = 85331237 is a prime.

It is a super-2 number, since 2×853312692 = 14562850938300722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85331263) 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 in 7 ways as a sum of consecutive naturals, for example, 51634 + ... + 53260.

It is an arithmetic number, because the mean of its divisors is an integer number (10769220).

Almost surely, 285331269 is an apocalyptic number.

It is an amenable number.

85331269 is a deficient number, since it is larger than the sum of its proper divisors (822491).

85331269 is a wasteful number, since it uses less digits than its factorization.

85331269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099.

The product of its digits is 38880, while the sum is 37.

The square root of 85331269 is about 9237.4925710390. The cubic root of 85331269 is about 440.2534163456.

The spelling of 85331269 in words is "eighty-five million, three hundred thirty-one thousand, two hundred sixty-nine".

Divisors: 1 179 293 1627 52447 291233 476711 85331269