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200749513 = 296922397
BaseRepresentation
bin10111111011100…
…11000111001001
3111222202010120011
423331303013021
5402342441023
631530431521
74655225356
oct1375630711
9458663504
10200749513
11a3355098
12572925a1
133278a4c3
141c93962d
151295650d
hexbf731c9

200749513 has 4 divisors (see below), whose sum is σ = 207671940. Its totient is φ = 193827088.

The previous prime is 200749511. The next prime is 200749537. The reversal of 200749513 is 315947002.

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 155550784 + 45198729 = 12472^2 + 6723^2 .

It is a cyclic number.

It is not a de Polignac number, because 200749513 - 21 = 200749511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200749511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3461170 + ... + 3461227.

It is an arithmetic number, because the mean of its divisors is an integer number (51917985).

Almost surely, 2200749513 is an apocalyptic number.

It is an amenable number.

200749513 is a deficient number, since it is larger than the sum of its proper divisors (6922427).

200749513 is an equidigital number, since it uses as much as digits as its factorization.

200749513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922426.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 200749513 is about 14168.6101294375. The cubic root of 200749513 is about 585.5331667375.

The spelling of 200749513 in words is "two hundred million, seven hundred forty-nine thousand, five hundred thirteen".

Divisors: 1 29 6922397 200749513