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82054441 = 753221171
BaseRepresentation
bin1001110010000…
…00110100101001
312201101210112101
410321000310221
5132001220231
612050413401
72014310530
oct471006451
9181353471
1082054441
1142354797
1223591261
1313ccc531
14ac7d317
15730c661
hex4e40d29

82054441 has 8 divisors (see below), whose sum is σ = 95546304. Its totient is φ = 69005040.

The previous prime is 82054439. The next prime is 82054451. The reversal of 82054441 is 14445028.

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

It is a cyclic number.

It is not a de Polignac number, because 82054441 - 21 = 82054439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82054421) 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 7 ways as a sum of consecutive naturals, for example, 110215 + ... + 110956.

It is an arithmetic number, because the mean of its divisors is an integer number (11943288).

Almost surely, 282054441 is an apocalyptic number.

It is an amenable number.

82054441 is a deficient number, since it is larger than the sum of its proper divisors (13491863).

82054441 is a wasteful number, since it uses less digits than its factorization.

82054441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221231.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 82054441 is about 9058.3906407264. The cubic root of 82054441 is about 434.5442728018.

Adding to 82054441 its reverse (14445028), we get a palindrome (96499469).

The spelling of 82054441 in words is "eighty-two million, fifty-four thousand, four hundred forty-one".

Divisors: 1 7 53 371 221171 1548197 11722063 82054441