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82093217 = 271302927
BaseRepresentation
bin1001110010010…
…10010010100001
312201110202201112
410321022102201
5132003440332
612051313105
72014531553
oct471122241
9181422645
1082093217
1142380938
12235ab795
131401408b
14ac8d4d3
157318db2
hex4e4a4a1

82093217 has 4 divisors (see below), whose sum is σ = 82396416. Its totient is φ = 81790020.

The previous prime is 82093211. The next prime is 82093223. The reversal of 82093217 is 71239028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (82093211) and next prime (82093223).

It is a cyclic number.

It is not a de Polignac number, because 82093217 - 210 = 82092193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82093211) 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, 151193 + ... + 151734.

It is an arithmetic number, because the mean of its divisors is an integer number (20599104).

Almost surely, 282093217 is an apocalyptic number.

It is an amenable number.

82093217 is a deficient number, since it is larger than the sum of its proper divisors (303199).

82093217 is a wasteful number, since it uses less digits than its factorization.

82093217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303198.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 82093217 is about 9060.5307239698. The cubic root of 82093217 is about 434.6127120599.

The spelling of 82093217 in words is "eighty-two million, ninety-three thousand, two hundred seventeen".

Divisors: 1 271 302927 82093217