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4505349 = 31501783
BaseRepresentation
bin10001001011111100000101
322110220011210
4101023330011
52123132344
6240322033
753203062
oct21137405
98426153
104505349
1125a7a32
121613319
13c198b4
14853c69
155dedb9
hex44bf05

4505349 has 4 divisors (see below), whose sum is σ = 6007136. Its totient is φ = 3003564.

The previous prime is 4505329. The next prime is 4505351. The reversal of 4505349 is 9435054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4505349 - 25 = 4505317 is a prime.

It is a super-2 number, since 2×45053492 = 40596339223602, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4505349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750889 + ... + 750894.

It is an arithmetic number, because the mean of its divisors is an integer number (1501784).

Almost surely, 24505349 is an apocalyptic number.

It is an amenable number.

4505349 is a deficient number, since it is larger than the sum of its proper divisors (1501787).

4505349 is a wasteful number, since it uses less digits than its factorization.

4505349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501786.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 4505349 is about 2122.5807405138. The cubic root of 4505349 is about 165.1617513906.

The spelling of 4505349 in words is "four million, five hundred five thousand, three hundred forty-nine".

Divisors: 1 3 1501783 4505349