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82386887 = 1110968713
BaseRepresentation
bin1001110100100…
…01111111000111
312202000200120012
410322101333013
5132042340022
612101500435
72020164002
oct472217707
9182020505
1082386887
1142561540
122371171b
13140b794b
14ad28539
157375de2
hex4e91fc7

82386887 has 8 divisors (see below), whose sum is σ = 90702480. Its totient is φ = 74208960.

The previous prime is 82386859. The next prime is 82386937. The reversal of 82386887 is 78868328.

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

It is a cyclic number.

It is not a de Polignac number, because 82386887 - 26 = 82386823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82386287) 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, 33158 + ... + 35555.

It is an arithmetic number, because the mean of its divisors is an integer number (11337810).

Almost surely, 282386887 is an apocalyptic number.

82386887 is a deficient number, since it is larger than the sum of its proper divisors (8315593).

82386887 is a wasteful number, since it uses less digits than its factorization.

82386887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68833.

The product of its digits is 1032192, while the sum is 50.

The square root of 82386887 is about 9076.7222608164. The cubic root of 82386887 is about 435.1303383597.

The spelling of 82386887 in words is "eighty-two million, three hundred eighty-six thousand, eight hundred eighty-seven".

Divisors: 1 11 109 1199 68713 755843 7489717 82386887