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82479241 = 136344557
BaseRepresentation
bin1001110101010…
…00100010001001
312202012101020201
410322220202021
5132103313431
612103452201
72021030155
oct472504211
9182171221
1082479241
1142614969
1223757061
131411a9b0
14ad50065
157393461
hex4ea8889

82479241 has 4 divisors (see below), whose sum is σ = 88823812. Its totient is φ = 76134672.

The previous prime is 82479217. The next prime is 82479263. The reversal of 82479241 is 14297428.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8433216 + 74046025 = 2904^2 + 8605^2 .

It is a cyclic number.

It is not a de Polignac number, because 82479241 - 27 = 82479113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82479241.

It is not an unprimeable number, because it can be changed into a prime (82479641) 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, 3172266 + ... + 3172291.

It is an arithmetic number, because the mean of its divisors is an integer number (22205953).

Almost surely, 282479241 is an apocalyptic number.

It is an amenable number.

82479241 is a deficient number, since it is larger than the sum of its proper divisors (6344571).

82479241 is a wasteful number, since it uses less digits than its factorization.

82479241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344570.

The product of its digits is 32256, while the sum is 37.

The square root of 82479241 is about 9081.8082450578. The cubic root of 82479241 is about 435.2928683535.

The spelling of 82479241 in words is "eighty-two million, four hundred seventy-nine thousand, two hundred forty-one".

Divisors: 1 13 6344557 82479241