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7282 = 211331
BaseRepresentation
bin1110001110010
3100222201
41301302
5213112
653414
730142
oct16162
910881
107282
115520
12426a
133412
142922
152257
hex1c72

7282 has 8 divisors (see below), whose sum is σ = 11952. Its totient is φ = 3300.

The previous prime is 7253. The next prime is 7283. The reversal of 7282 is 2827.

It can be divided in two parts, 7 and 282, that added together give a square (289 = 172).

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

It is a plaindrome in base 15.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (7283) by changing a digit.

7282 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144 + ... + 187.

It is an arithmetic number, because the mean of its divisors is an integer number (1494).

27282 is an apocalyptic number.

7282 is a deficient number, since it is larger than the sum of its proper divisors (4670).

7282 is a wasteful number, since it uses less digits than its factorization.

7282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344.

The product of its digits is 224, while the sum is 19.

The square root of 7282 is about 85.3346354067. The cubic root of 7282 is about 19.3828168251.

The spelling of 7282 in words is "seven thousand, two hundred eighty-two".

Divisors: 1 2 11 22 331 662 3641 7282