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82432243 = 439118773
BaseRepresentation
bin1001110100111…
…01000011110011
312202002222210001
410322131003303
5132100312433
612102450431
72020443145
oct472350363
9182088701
1082432243
1142592623
1223733a17
131410249a
14ad3ac95
15738457d
hex4e9d0f3

82432243 has 4 divisors (see below), whose sum is σ = 82455408. Its totient is φ = 82409080.

The previous prime is 82432223. The next prime is 82432267. The reversal of 82432243 is 34223428.

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 82432243 - 25 = 82432211 is a prime.

It is a super-2 number, since 2×824322432 = 13590149372022098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82432213) 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, 4996 + ... + 13777.

It is an arithmetic number, because the mean of its divisors is an integer number (20613852).

Almost surely, 282432243 is an apocalyptic number.

82432243 is a deficient number, since it is larger than the sum of its proper divisors (23165).

82432243 is a wasteful number, since it uses less digits than its factorization.

82432243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23164.

The product of its digits is 9216, while the sum is 28.

The square root of 82432243 is about 9079.2203960472. The cubic root of 82432243 is about 435.2101736821.

The spelling of 82432243 in words is "eighty-two million, four hundred thirty-two thousand, two hundred forty-three".

Divisors: 1 4391 18773 82432243