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86793982 = 2117949939
BaseRepresentation
bin1010010110001…
…01111011111110
320001022120221221
411023011323332
5134204401412
612340143554
72102510452
oct513057376
9201276857
1086793982
1144aa1670
1225097bba
1314c9b8b2
14b754662
157946b07
hex52c5efe

86793982 has 16 divisors (see below), whose sum is σ = 143827200. Its totient is φ = 38951640.

The previous prime is 86793979. The next prime is 86793989. The reversal of 86793982 is 28939768.

It is a super-2 number, since 2×867939822 = 15066390622832648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86793989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23232 + ... + 26707.

It is an arithmetic number, because the mean of its divisors is an integer number (8989200).

Almost surely, 286793982 is an apocalyptic number.

86793982 is a deficient number, since it is larger than the sum of its proper divisors (57033218).

86793982 is a wasteful number, since it uses less digits than its factorization.

86793982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50031.

The product of its digits is 1306368, while the sum is 52.

The square root of 86793982 is about 9316.3287833781. The cubic root of 86793982 is about 442.7547249707.

It can be divided in two parts, 867 and 93982, that added together give a palindrome (94849).

The spelling of 86793982 in words is "eighty-six million, seven hundred ninety-three thousand, nine hundred eighty-two".

Divisors: 1 2 11 22 79 158 869 1738 49939 99878 549329 1098658 3945181 7890362 43396991 86793982