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200230313 = 732742881
BaseRepresentation
bin10111110111101…
…00010110101001
3111221202202100112
423323310112221
5402224332223
631511344105
74650633563
oct1373642651
9457682315
10200230313
11a302aaa8
1257082035
133263809a
141c842333
15128a2778
hexbef45a9

200230313 has 4 divisors (see below), whose sum is σ = 202973268. Its totient is φ = 197487360.

The previous prime is 200230309. The next prime is 200230357. The reversal of 200230313 is 313032002.

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 128777104 + 71453209 = 11348^2 + 8453^2 .

It is a cyclic number.

It is not a de Polignac number, because 200230313 - 22 = 200230309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200230363) 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, 1371368 + ... + 1371513.

It is an arithmetic number, because the mean of its divisors is an integer number (50743317).

Almost surely, 2200230313 is an apocalyptic number.

It is an amenable number.

200230313 is a deficient number, since it is larger than the sum of its proper divisors (2742955).

200230313 is an equidigital number, since it uses as much as digits as its factorization.

200230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742954.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 200230313 is about 14150.2760750453. The cubic root of 200230313 is about 585.0279412958.

Adding to 200230313 its reverse (313032002), we get a palindrome (513262315).

The spelling of 200230313 in words is "two hundred million, two hundred thirty thousand, three hundred thirteen".

Divisors: 1 73 2742881 200230313