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11145745 = 513171473
BaseRepresentation
bin101010100001…
…001000010001
3202222021002101
4222201020101
510323130440
61034520401
7163510612
oct52411021
922867071
1011145745
116322a66
123896101
132403220
1416a1c09
15ea269a
hexaa1211

11145745 has 8 divisors (see below), whose sum is σ = 14403816. Its totient is φ = 8230656.

The previous prime is 11145707. The next prime is 11145751. The reversal of 11145745 is 54754111.

It can be written as a sum of positive squares in 4 ways, for example, as 63504 + 11082241 = 252^2 + 3329^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11145745 - 215 = 11112977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85672 + ... + 85801.

It is an arithmetic number, because the mean of its divisors is an integer number (1800477).

Almost surely, 211145745 is an apocalyptic number.

It is an amenable number.

11145745 is a deficient number, since it is larger than the sum of its proper divisors (3258071).

11145745 is a wasteful number, since it uses less digits than its factorization.

11145745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171491.

The product of its digits is 2800, while the sum is 28.

The square root of 11145745 is about 3338.5243746302. The cubic root of 11145745 is about 223.3759268778.

Adding to 11145745 its reverse (54754111), we get a palindrome (65899856).

It can be divided in two parts, 1114 and 5745, that added together give a cube (6859 = 193).

The spelling of 11145745 in words is "eleven million, one hundred forty-five thousand, seven hundred forty-five".

Divisors: 1 5 13 65 171473 857365 2229149 11145745