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7282085 = 51456417
BaseRepresentation
bin11011110001110110100101
3111200222010212
4123301312211
53331011320
6420025205
7115616366
oct33616645
914628125
107282085
114124158
122532205
13167c735
14d77b6d
1598c9c5
hex6f1da5

7282085 has 4 divisors (see below), whose sum is σ = 8738508. Its totient is φ = 5825664.

The previous prime is 7282063. The next prime is 7282087. The reversal of 7282085 is 5802827.

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 4330561 + 2951524 = 2081^2 + 1718^2 .

It is a cyclic number.

It is not a de Polignac number, because 7282085 - 214 = 7265701 is a prime.

It is a super-3 number, since 3×72820853 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7282087) 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, 728204 + ... + 728213.

It is an arithmetic number, because the mean of its divisors is an integer number (2184627).

Almost surely, 27282085 is an apocalyptic number.

It is an amenable number.

7282085 is a deficient number, since it is larger than the sum of its proper divisors (1456423).

7282085 is a wasteful number, since it uses less digits than its factorization.

7282085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456422.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 7282085 is about 2698.5338611920. The cubic root of 7282085 is about 193.8289224085.

The spelling of 7282085 in words is "seven million, two hundred eighty-two thousand, eighty-five".

Divisors: 1 5 1456417 7282085