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86100639 = 3173316561
BaseRepresentation
bin1010010000111…
…00101010011111
320000000100212120
411020130222133
5134020210024
612313234023
72063562162
oct510345237
9200010776
1086100639
1144668759
1224a02913
1314ab8131
14b613ad9
15785b479
hex521ca9f

86100639 has 8 divisors (see below), whose sum is σ = 114874032. Its totient is φ = 57363840.

The previous prime is 86100617. The next prime is 86100643. The reversal of 86100639 is 93600168.

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

It is not a de Polignac number, because 86100639 - 25 = 86100607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86100659) 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, 3082 + ... + 13479.

It is an arithmetic number, because the mean of its divisors is an integer number (14359254).

Almost surely, 286100639 is an apocalyptic number.

86100639 is a deficient number, since it is larger than the sum of its proper divisors (28773393).

86100639 is a wasteful number, since it uses less digits than its factorization.

86100639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18297.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 86100639 is about 9279.0430002237. The cubic root of 86100639 is about 441.5726078252.

The spelling of 86100639 in words is "eighty-six million, one hundred thousand, six hundred thirty-nine".

Divisors: 1 3 1733 5199 16561 49683 28700213 86100639