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85744083 = 328581361
BaseRepresentation
bin1010001110001…
…01100111010011
312222100020202210
411013011213103
5133422302313
612301443203
72060545515
oct507054723
9188306683
1085744083
1144444887
1224870503
13149c1a59
14b55dbb5
1577da9c3
hex51c59d3

85744083 has 4 divisors (see below), whose sum is σ = 114325448. Its totient is φ = 57162720.

The previous prime is 85744037. The next prime is 85744091. The reversal of 85744083 is 38044758.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85744083 - 212 = 85739987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85744003) 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, 14290678 + ... + 14290683.

It is an arithmetic number, because the mean of its divisors is an integer number (28581362).

Almost surely, 285744083 is an apocalyptic number.

85744083 is a deficient number, since it is larger than the sum of its proper divisors (28581365).

85744083 is a wasteful number, since it uses less digits than its factorization.

85744083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28581364.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 85744083 is about 9259.8100952449. The cubic root of 85744083 is about 440.9622244369.

The spelling of 85744083 in words is "eighty-five million, seven hundred forty-four thousand, eighty-three".

Divisors: 1 3 28581361 85744083