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82068783 = 387731193
BaseRepresentation
bin1001110010001…
…00010100101111
312201102112012120
410321010110233
5132002200113
612051004023
72014400406
oct471042457
9181375176
1082068783
1142364545
1223599613
1314005c14
14ac8463d
157311a23
hex4e4452f

82068783 has 8 divisors (see below), whose sum is σ = 109553328. Its totient is φ = 54648384.

The previous prime is 82068773. The next prime is 82068793. The reversal of 82068783 is 38786028.

It is an interprime number because it is at equal distance from previous prime (82068773) and next prime (82068793).

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

It is not a de Polignac number, because 82068783 - 26 = 82068719 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82068773) 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 7 ways as a sum of consecutive naturals, for example, 12966 + ... + 18227.

It is an arithmetic number, because the mean of its divisors is an integer number (13694166).

Almost surely, 282068783 is an apocalyptic number.

82068783 is a deficient number, since it is larger than the sum of its proper divisors (27484545).

82068783 is a wasteful number, since it uses less digits than its factorization.

82068783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32073.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 82068783 is about 9059.1822478632. The cubic root of 82068783 is about 434.5695888026.

The spelling of 82068783 in words is "eighty-two million, sixty-eight thousand, seven hundred eighty-three".

Divisors: 1 3 877 2631 31193 93579 27356261 82068783