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85268513 = 117751683
BaseRepresentation
bin1010001010100…
…01100000100001
312221110002102002
411011101200201
5133312043023
612243333345
72053525151
oct505214041
9187402362
1085268513
114414a550
1224681255
1314886455
14b478761
157744b28
hex5151821

85268513 has 4 divisors (see below), whose sum is σ = 93020208. Its totient is φ = 77516820.

The previous prime is 85268503. The next prime is 85268531. The reversal of 85268513 is 31586258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85268513 - 216 = 85202977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85268503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3875831 + ... + 3875852.

It is an arithmetic number, because the mean of its divisors is an integer number (23255052).

Almost surely, 285268513 is an apocalyptic number.

It is an amenable number.

85268513 is a deficient number, since it is larger than the sum of its proper divisors (7751695).

85268513 is a wasteful number, since it uses less digits than its factorization.

85268513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7751694.

The product of its digits is 57600, while the sum is 38.

The square root of 85268513 is about 9234.0951370451. The cubic root of 85268513 is about 440.1454632684.

The spelling of 85268513 in words is "eighty-five million, two hundred sixty-eight thousand, five hundred thirteen".

Divisors: 1 11 7751683 85268513