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200309713 = 778925717
BaseRepresentation
bin10111111000001…
…11101111010001
3111221220210021021
423330013233101
5402234402323
631513155441
74651414222
oct1374075721
9457823237
10200309713
11a308471a
12570bbb81
1332665276
141c863249
15128bb05d
hexbf07bd1

200309713 has 4 divisors (see below), whose sum is σ = 200343220. Its totient is φ = 200276208.

The previous prime is 200309689. The next prime is 200309717. The reversal of 200309713 is 317903002.

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 119093569 + 81216144 = 10913^2 + 9012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200309713 is a prime.

It is a super-2 number, since 2×2003097132 = 80247962244284738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200309717) 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, 5070 + ... + 20647.

It is an arithmetic number, because the mean of its divisors is an integer number (50085805).

Almost surely, 2200309713 is an apocalyptic number.

It is an amenable number.

200309713 is a deficient number, since it is larger than the sum of its proper divisors (33507).

200309713 is an equidigital number, since it uses as much as digits as its factorization.

200309713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33506.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 200309713 is about 14153.0813959364. The cubic root of 200309713 is about 585.1052607239.

The spelling of 200309713 in words is "two hundred million, three hundred nine thousand, seven hundred thirteen".

Divisors: 1 7789 25717 200309713