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85886507 = 712269501
BaseRepresentation
bin1010001111010…
…00011000101011
312222121111010202
411013220120223
5133441332012
612304502415
72062010660
oct507503053
9188544122
1085886507
1144531893
122491aa0b
1314a41825
14b599a67
157817cc2
hex51e862b

85886507 has 4 divisors (see below), whose sum is σ = 98156016. Its totient is φ = 73617000.

The previous prime is 85886503. The next prime is 85886519. The reversal of 85886507 is 70568858.

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 85886507 - 22 = 85886503 is a prime.

It is a super-2 number, since 2×858865072 = 14752984169322098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85886503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6134744 + ... + 6134757.

It is an arithmetic number, because the mean of its divisors is an integer number (24539004).

Almost surely, 285886507 is an apocalyptic number.

85886507 is a deficient number, since it is larger than the sum of its proper divisors (12269509).

85886507 is a wasteful number, since it uses less digits than its factorization.

85886507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269508.

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 85886507 is about 9267.4973428645. The cubic root of 85886507 is about 441.2062407418.

The spelling of 85886507 in words is "eighty-five million, eight hundred eighty-six thousand, five hundred seven".

Divisors: 1 7 12269501 85886507