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82419 = 383331
BaseRepresentation
bin10100000111110011
311012001120
4110013303
510114134
61433323
7462201
oct240763
9135046
1082419
1156a17
123b843
132b68c
1422071
1519649
hex141f3

82419 has 8 divisors (see below), whose sum is σ = 111552. Its totient is φ = 54120.

The previous prime is 82393. The next prime is 82421. The reversal of 82419 is 91428.

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

It is not a de Polignac number, because 82419 - 25 = 82387 is a prime.

It is a super-2 number, since 2×824192 = 13585783122, which contains 22 as substring.

82419 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (82469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84 + ... + 414.

It is an arithmetic number, because the mean of its divisors is an integer number (13944).

282419 is an apocalyptic number.

82419 is a deficient number, since it is larger than the sum of its proper divisors (29133).

82419 is a wasteful number, since it uses less digits than its factorization.

82419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its digits is 576, while the sum is 24.

The square root of 82419 is about 287.0870947988. The cubic root of 82419 is about 43.5186866471.

Subtracting 82419 from its reverse (91428), we obtain a palindrome (9009).

The spelling of 82419 in words is "eighty-two thousand, four hundred nineteen".

Divisors: 1 3 83 249 331 993 27473 82419