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7227 = 321173
BaseRepresentation
bin1110000111011
3100220200
41300323
5212402
653243
730033
oct16073
910820
107227
115480
124223
13339c
1428c3
15221c
hex1c3b

7227 has 12 divisors (see below), whose sum is σ = 11544. Its totient is φ = 4320.

The previous prime is 7219. The next prime is 7229.

It can be divided in two parts, 722 and 7, that added together give a 6-th power (729 = 36).

7227 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7227 - 23 = 7219 is a prime.

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (7229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63 + ... + 135.

It is an arithmetic number, because the mean of its divisors is an integer number (962).

27227 is an apocalyptic number.

7227 is a deficient number, since it is larger than the sum of its proper divisors (4317).

7227 is a wasteful number, since it uses less digits than its factorization.

7227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 87 counting only the distinct ones).

The product of its digits is 196, while the sum is 18.

The square root of 7227 is about 85.0117638918. The cubic root of 7227 is about 19.3338948179. Note that the first 3 decimals are identical.

The spelling of 7227 in words is "seven thousand, two hundred twenty-seven", and thus it is an iban number.

Divisors: 1 3 9 11 33 73 99 219 657 803 2409 7227