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7255265 = 51451053
BaseRepresentation
bin11011101011010011100001
3111122121100112
4123223103201
53324132030
6415301105
7115445243
oct33532341
914577315
107255265
114105a96
12251a795
131670474
14d6c093
15984a95
hex6eb4e1

7255265 has 4 divisors (see below), whose sum is σ = 8706324. Its totient is φ = 5804208.

The previous prime is 7255253. The next prime is 7255267. The reversal of 7255265 is 5625527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5625527 = 14513877.

It can be written as a sum of positive squares in 2 ways, for example, as 5494336 + 1760929 = 2344^2 + 1327^2 .

It is a cyclic number.

It is not a de Polignac number, because 7255265 - 26 = 7255201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7255267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725522 + ... + 725531.

It is an arithmetic number, because the mean of its divisors is an integer number (2176581).

Almost surely, 27255265 is an apocalyptic number.

It is an amenable number.

7255265 is a deficient number, since it is larger than the sum of its proper divisors (1451059).

7255265 is a wasteful number, since it uses less digits than its factorization.

7255265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451058.

The product of its digits is 21000, while the sum is 32.

The square root of 7255265 is about 2693.5599120866. The cubic root of 7255265 is about 193.5906716500.

The spelling of 7255265 in words is "seven million, two hundred fifty-five thousand, two hundred sixty-five".

Divisors: 1 5 1451053 7255265