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85000797 = 3271349219
BaseRepresentation
bin1010001000100…
…00001001011101
312220221111011200
411010100021131
5133230011142
612233510113
72051331510
oct504201135
9186844150
1085000797
1143a873a2
1224572339
13147c163b
14b408d77
1576e064c
hex511025d

85000797 has 12 divisors (see below), whose sum is σ = 140318880. Its totient is φ = 48571848.

The previous prime is 85000793. The next prime is 85000807. The reversal of 85000797 is 79700058.

It is not a de Polignac number, because 85000797 - 22 = 85000793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85000793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674547 + ... + 674672.

It is an arithmetic number, because the mean of its divisors is an integer number (11693240).

Almost surely, 285000797 is an apocalyptic number.

It is an amenable number.

85000797 is a deficient number, since it is larger than the sum of its proper divisors (55318083).

85000797 is a wasteful number, since it uses less digits than its factorization.

85000797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349232 (or 1349229 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 85000797 is about 9219.5876805853. The cubic root of 85000797 is about 439.6843414363.

The spelling of 85000797 in words is "eighty-five million, seven hundred ninety-seven", and thus it is an aban number.

Divisors: 1 3 7 9 21 63 1349219 4047657 9444533 12142971 28333599 85000797