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82344671 = 102180651
BaseRepresentation
bin1001110100001…
…11101011011111
312201221112122122
410322013223133
5132040012141
612100533155
72016626633
oct472075337
9181845578
1082344671
1142532852
12236b11bb
13140a1676
14ad16dc3
15736864b
hex4e87adf

82344671 has 4 divisors (see below), whose sum is σ = 82426344. Its totient is φ = 82263000.

The previous prime is 82344667. The next prime is 82344697. The reversal of 82344671 is 17644328.

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 82344671 - 22 = 82344667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82344631) 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 3 ways as a sum of consecutive naturals, for example, 39305 + ... + 41346.

It is an arithmetic number, because the mean of its divisors is an integer number (20606586).

Almost surely, 282344671 is an apocalyptic number.

82344671 is a deficient number, since it is larger than the sum of its proper divisors (81673).

82344671 is a wasteful number, since it uses less digits than its factorization.

82344671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81672.

The product of its digits is 32256, while the sum is 35.

The square root of 82344671 is about 9074.3964537593. The cubic root of 82344671 is about 435.0560037113.

Adding to 82344671 its reverse (17644328), we get a palindrome (99988999).

The spelling of 82344671 in words is "eighty-two million, three hundred forty-four thousand, six hundred seventy-one".

Divisors: 1 1021 80651 82344671