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82842713 = 89930817
BaseRepresentation
bin1001111000000…
…01010001011001
312202212211211122
410330001101121
5132201431323
612115335025
72024102642
oct474012131
9182784748
1082842713
1142842a58
12238b1475
1314217275
14b0066c9
157415ec8
hex4f01459

82842713 has 4 divisors (see below), whose sum is σ = 83773620. Its totient is φ = 81911808.

The previous prime is 82842707. The next prime is 82842719. The reversal of 82842713 is 31724828.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (82842707) and next prime (82842719).

It can be written as a sum of positive squares in 2 ways, for example, as 56505289 + 26337424 = 7517^2 + 5132^2 .

It is a cyclic number.

It is not a de Polignac number, because 82842713 - 220 = 81794137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82842719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465320 + ... + 465497.

It is an arithmetic number, because the mean of its divisors is an integer number (20943405).

Almost surely, 282842713 is an apocalyptic number.

It is an amenable number.

82842713 is a deficient number, since it is larger than the sum of its proper divisors (930907).

82842713 is an equidigital number, since it uses as much as digits as its factorization.

82842713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930906.

The product of its digits is 21504, while the sum is 35.

The square root of 82842713 is about 9101.7972401059. The cubic root of 82842713 is about 435.9313519420.

The spelling of 82842713 in words is "eighty-two million, eight hundred forty-two thousand, seven hundred thirteen".

Divisors: 1 89 930817 82842713