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2745065 = 5549013
BaseRepresentation
bin1010011110001011101001
312011110112002
422132023221
51200320230
6134500345
732222051
oct12361351
95143462
102745065
111605454
12b046b5
137515cb
14516561
15393545
hex29e2e9

2745065 has 4 divisors (see below), whose sum is σ = 3294084. Its totient is φ = 2196048.

The previous prime is 2745049. The next prime is 2745091. The reversal of 2745065 is 5605472.

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 1570009 + 1175056 = 1253^2 + 1084^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745065 - 24 = 2745049 is a prime.

It is a d-powerful number, because it can be written as 220 + 75 + 42 + 52 + 0 + 68 + 52 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274502 + ... + 274511.

It is an arithmetic number, because the mean of its divisors is an integer number (823521).

22745065 is an apocalyptic number.

It is an amenable number.

2745065 is a deficient number, since it is larger than the sum of its proper divisors (549019).

2745065 is an equidigital number, since it uses as much as digits as its factorization.

2745065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549018.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2745065 is about 1656.8237685403. The cubic root of 2745065 is about 140.0181099022.

The spelling of 2745065 in words is "two million, seven hundred forty-five thousand, sixty-five".

Divisors: 1 5 549013 2745065