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82475305 = 5111499551
BaseRepresentation
bin1001110101001…
…11100100101001
312202012011211221
410322213210221
5132103202210
612103422041
72021012533
oct472474451
9182164757
1082475305
1142611a10
1223754921
1314118c73
14ad4c853
1573921da
hex4ea7929

82475305 has 8 divisors (see below), whose sum is σ = 107967744. Its totient is φ = 59982000.

The previous prime is 82475303. The next prime is 82475329. The reversal of 82475305 is 50357428.

It is a happy number.

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

It is not a de Polignac number, because 82475305 - 21 = 82475303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82475303) 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, 749721 + ... + 749830.

It is an arithmetic number, because the mean of its divisors is an integer number (13495968).

Almost surely, 282475305 is an apocalyptic number.

It is an amenable number.

82475305 is a deficient number, since it is larger than the sum of its proper divisors (25492439).

82475305 is a wasteful number, since it uses less digits than its factorization.

82475305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499567.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 82475305 is about 9081.5915455387. The cubic root of 82475305 is about 435.2859440254.

The spelling of 82475305 in words is "eighty-two million, four hundred seventy-five thousand, three hundred five".

Divisors: 1 5 11 55 1499551 7497755 16495061 82475305