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85709883 = 374081423
BaseRepresentation
bin1010001101111…
…01010000111011
312222021111212010
411012331100323
5133420204013
612301021003
72060344020
oct506752073
9188244763
1085709883
1144421116
1224854763
13149ac30c
14b551547
1577d07c3
hex51bd43b

85709883 has 8 divisors (see below), whose sum is σ = 130605568. Its totient is φ = 48977064.

The previous prime is 85709873. The next prime is 85709917. The reversal of 85709883 is 38890758.

It is a happy number.

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

It is not a de Polignac number, because 85709883 - 210 = 85708859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85709873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040691 + ... + 2040732.

It is an arithmetic number, because the mean of its divisors is an integer number (16325696).

Almost surely, 285709883 is an apocalyptic number.

85709883 is a deficient number, since it is larger than the sum of its proper divisors (44895685).

85709883 is a wasteful number, since it uses less digits than its factorization.

85709883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081433.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 85709883 is about 9257.9632209250. The cubic root of 85709883 is about 440.9035890456.

The spelling of 85709883 in words is "eighty-five million, seven hundred nine thousand, eight hundred eighty-three".

Divisors: 1 3 7 21 4081423 12244269 28569961 85709883