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85524213 = 3127224473
BaseRepresentation
bin1010001100011…
…11111011110101
312221221002011110
411012033323311
5133343233323
612253025233
72055641505
oct506177365
9187832143
1085524213
1144304675
1224785219
1314945958
14b503a05
157795793
hex518fef5

85524213 has 8 divisors (see below), whose sum is σ = 114930688. Its totient is φ = 56566944.

The previous prime is 85524209. The next prime is 85524223. The reversal of 85524213 is 31242558.

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

It is not a de Polignac number, because 85524213 - 22 = 85524209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85524223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111856 + ... + 112617.

It is an arithmetic number, because the mean of its divisors is an integer number (14366336).

Almost surely, 285524213 is an apocalyptic number.

It is an amenable number.

85524213 is a deficient number, since it is larger than the sum of its proper divisors (29406475).

85524213 is a wasteful number, since it uses less digits than its factorization.

85524213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224603.

The product of its digits is 9600, while the sum is 30.

The square root of 85524213 is about 9247.9302008612. The cubic root of 85524213 is about 440.5849880875.

The spelling of 85524213 in words is "eighty-five million, five hundred twenty-four thousand, two hundred thirteen".

Divisors: 1 3 127 381 224473 673419 28508071 85524213