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85886849 = 1394331427
BaseRepresentation
bin1010001111010…
…00011110000001
312222121111121102
411013220132001
5133441334344
612304504145
72062011656
oct507503601
9188544542
1085886849
1144532074
122491b055
1314a41a29
14b599c2d
157817e4e
hex51e8781

85886849 has 8 divisors (see below), whose sum is σ = 86765280. Its totient is φ = 85012416.

The previous prime is 85886791. The next prime is 85886861. The reversal of 85886849 is 94868858.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85886849 is a prime.

It is a super-2 number, since 2×858868492 = 14753101662297602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85886794 and 85886803.

It is not an unprimeable number, because it can be changed into a prime (85888849) 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, 59474 + ... + 60900.

It is an arithmetic number, because the mean of its divisors is an integer number (10845660).

Almost surely, 285886849 is an apocalyptic number.

It is an amenable number.

85886849 is a deficient number, since it is larger than the sum of its proper divisors (878431).

85886849 is a wasteful number, since it uses less digits than its factorization.

85886849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999.

The product of its digits is 4423680, while the sum is 56.

The square root of 85886849 is about 9267.5157944295. The cubic root of 85886849 is about 441.2068263686.

Subtracting 85886849 from its reverse (94868858), we obtain a square (8982009 = 29972).

The spelling of 85886849 in words is "eighty-five million, eight hundred eighty-six thousand, eight hundred forty-nine".

Divisors: 1 139 433 1427 60187 198353 617891 85886849