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7255 = 51451
BaseRepresentation
bin1110001010111
3100221201
41301113
5213010
653331
730103
oct16127
910851
107255
1154a6
124247
1333c1
142903
15223a
hex1c57

7255 has 4 divisors (see below), whose sum is σ = 8712. Its totient is φ = 5800.

The previous prime is 7253. The next prime is 7283. The reversal of 7255 is 5527.

It is a happy number.

7255 is nontrivially palindromic in base 7.

7255 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7255 - 21 = 7253 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a nialpdrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7253) 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, 721 + ... + 730.

It is an arithmetic number, because the mean of its divisors is an integer number (2178).

27255 is an apocalyptic number.

7255 is a deficient number, since it is larger than the sum of its proper divisors (1457).

7255 is a wasteful number, since it uses less digits than its factorization.

7255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456.

The product of its digits is 350, while the sum is 19.

The square root of 7255 is about 85.1762877801. The cubic root of 7255 is about 19.3588314642.

Subtracting from 7255 its reverse (5527), we obtain a cube (1728 = 123).

It can be divided in two parts, 7 and 255, that added together give a palindrome (262).

The spelling of 7255 in words is "seven thousand, two hundred fifty-five".

Divisors: 1 5 1451 7255