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85386347 = 431985729
BaseRepresentation
bin1010001011011…
…10010001101011
312221200002001022
411011232101223
5133324330342
612250043055
72054525534
oct505562153
9187602038
1085386347
1144220032
122471948b
13148c7c87
14b4a968b
1577699d2
hex516e46b

85386347 has 4 divisors (see below), whose sum is σ = 87372120. Its totient is φ = 83400576.

The previous prime is 85386319. The next prime is 85386383. The reversal of 85386347 is 74368358.

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

It is a cyclic number.

It is not a de Polignac number, because 85386347 - 222 = 81192043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85386298 and 85386307.

It is not an unprimeable number, because it can be changed into a prime (85386317) 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, 992822 + ... + 992907.

It is an arithmetic number, because the mean of its divisors is an integer number (21843030).

Almost surely, 285386347 is an apocalyptic number.

85386347 is a deficient number, since it is larger than the sum of its proper divisors (1985773).

85386347 is a wasteful number, since it uses less digits than its factorization.

85386347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985772.

The product of its digits is 483840, while the sum is 44.

The square root of 85386347 is about 9240.4733103884. The cubic root of 85386347 is about 440.3481180992.

The spelling of 85386347 in words is "eighty-five million, three hundred eighty-six thousand, three hundred forty-seven".

Divisors: 1 43 1985729 85386347