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545250313 = 4673116681
BaseRepresentation
bin100000011111111…
…101110000001001
31101222222120211001
4200133331300021
52104041002223
6130034335001
716340360026
oct4037756011
91358876731
10545250313
1125a8636a3
1213272a461
1388c6962a
14525b454d
1532d059ad
hex207fdc09

545250313 has 4 divisors (see below), whose sum is σ = 545371668. Its totient is φ = 545128960.

The previous prime is 545250311. The next prime is 545250319. The reversal of 545250313 is 313052545.

545250313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 531210304 + 14040009 = 23048^2 + 3747^2 .

It is a cyclic number.

It is not a de Polignac number, because 545250313 - 21 = 545250311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545250311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53668 + ... + 63013.

It is an arithmetic number, because the mean of its divisors is an integer number (136342917).

Almost surely, 2545250313 is an apocalyptic number.

It is an amenable number.

545250313 is a deficient number, since it is larger than the sum of its proper divisors (121355).

545250313 is a wasteful number, since it uses less digits than its factorization.

545250313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121354.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 545250313 is about 23350.5955598567. The cubic root of 545250313 is about 816.9559519556.

The spelling of 545250313 in words is "five hundred forty-five million, two hundred fifty thousand, three hundred thirteen".

Divisors: 1 4673 116681 545250313