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85083805 = 5192293911
BaseRepresentation
bin1010001001001…
…00011010011101
312221002201001001
411010210122131
5133240140210
612235350301
72052125512
oct504443235
9187081031
1085083805
11440337a4
12245b2391
1314820361
14b42b309
15770a03a
hex512469d

85083805 has 16 divisors (see below), whose sum is σ = 107971200. Its totient is φ = 64186560.

The previous prime is 85083749. The next prime is 85083811. The reversal of 85083805 is 50838058.

It is not a de Polignac number, because 85083805 - 29 = 85083293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19800 + ... + 23710.

It is an arithmetic number, because the mean of its divisors is an integer number (6748200).

Almost surely, 285083805 is an apocalyptic number.

It is an amenable number.

85083805 is a deficient number, since it is larger than the sum of its proper divisors (22887395).

85083805 is a wasteful number, since it uses less digits than its factorization.

85083805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 85083805 is about 9224.0883018323. The cubic root of 85083805 is about 439.8274202661.

The spelling of 85083805 in words is "eighty-five million, eighty-three thousand, eight hundred five".

Divisors: 1 5 19 95 229 1145 3911 4351 19555 21755 74309 371545 895619 4478095 17016761 85083805