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2245769 = 5342373
BaseRepresentation
bin1000100100010010001001
311020002121122
420210102021
51033331034
6120045025
725042301
oct10442211
94202548
102245769
1112a4309
12903775
13608276
14426601
152e562e
hex224489

2245769 has 4 divisors (see below), whose sum is σ = 2288196. Its totient is φ = 2203344.

The previous prime is 2245759. The next prime is 2245783. The reversal of 2245769 is 9675422.

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 774400 + 1471369 = 880^2 + 1213^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245769 - 220 = 1197193 is a prime.

It is a super-2 number, since 2×22457692 = 10086956802722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2245739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21134 + ... + 21239.

It is an arithmetic number, because the mean of its divisors is an integer number (572049).

22245769 is an apocalyptic number.

It is an amenable number.

2245769 is a deficient number, since it is larger than the sum of its proper divisors (42427).

2245769 is an equidigital number, since it uses as much as digits as its factorization.

2245769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42426.

The product of its digits is 30240, while the sum is 35.

The square root of 2245769 is about 1498.5890030292. The cubic root of 2245769 is about 130.9548821960.

The spelling of 2245769 in words is "two million, two hundred forty-five thousand, seven hundred sixty-nine".

Divisors: 1 53 42373 2245769