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82084319 = 587139837
BaseRepresentation
bin1001110010010…
…00000111011111
312201110022111222
410321020013133
5132003144234
612051203555
72014463612
oct471100737
9181408458
1082084319
1142375189
12235a65bb
1314010005
14ac8a179
15731642e
hex4e481df

82084319 has 4 divisors (see below), whose sum is σ = 82224744. Its totient is φ = 81943896.

The previous prime is 82084271. The next prime is 82084357. The reversal of 82084319 is 91348028.

It is a happy number.

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 82084319 - 212 = 82080223 is a prime.

It is a super-2 number, since 2×820843192 = 13475670851387522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82084369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69332 + ... + 70505.

It is an arithmetic number, because the mean of its divisors is an integer number (20556186).

Almost surely, 282084319 is an apocalyptic number.

82084319 is a deficient number, since it is larger than the sum of its proper divisors (140425).

82084319 is a wasteful number, since it uses less digits than its factorization.

82084319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140424.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 82084319 is about 9060.0396798248. The cubic root of 82084319 is about 434.5970090831.

The spelling of 82084319 in words is "eighty-two million, eighty-four thousand, three hundred nineteen".

Divisors: 1 587 139837 82084319