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82584078 = 2313764013
BaseRepresentation
bin1001110110000…
…10001000001110
312202101201001120
410323002020032
5132120142303
612110021410
72021644623
oct473021016
9182351046
1082584078
1142686705
12237a7866
1314156625
14ad7a34a
1573b4553
hex4ec220e

82584078 has 8 divisors (see below), whose sum is σ = 165168168. Its totient is φ = 27528024.

The previous prime is 82584077. The next prime is 82584137. The reversal of 82584078 is 87048528.

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

82584078 is an admirable number.

It is a super-2 number, since 2×825840782 = 13640259878220168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82584071) 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, 6882001 + ... + 6882012.

It is an arithmetic number, because the mean of its divisors is an integer number (20646021).

Almost surely, 282584078 is an apocalyptic number.

82584078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82584078 is a wasteful number, since it uses less digits than its factorization.

82584078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13764018.

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 82584078 is about 9087.5782252479. The cubic root of 82584078 is about 435.4772196986.

The spelling of 82584078 in words is "eighty-two million, five hundred eighty-four thousand, seventy-eight".

Divisors: 1 2 3 6 13764013 27528026 41292039 82584078