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200230093 = 728604299
BaseRepresentation
bin10111110111101…
…00010011001101
3111221202202001101
423323310103031
5402224330333
631511343101
74650633130
oct1373642315
9457682041
10200230093
11a302a918
1257081a91
1332637c5b
141c842217
15128a267d
hexbef44cd

200230093 has 4 divisors (see below), whose sum is σ = 228834400. Its totient is φ = 171625788.

The previous prime is 200230081. The next prime is 200230109. The reversal of 200230093 is 390032002.

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 a cyclic number.

It is not a de Polignac number, because 200230093 - 25 = 200230061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200230093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200230013) 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, 14302143 + ... + 14302156.

It is an arithmetic number, because the mean of its divisors is an integer number (57208600).

Almost surely, 2200230093 is an apocalyptic number.

It is an amenable number.

200230093 is a deficient number, since it is larger than the sum of its proper divisors (28604307).

200230093 is an equidigital number, since it uses as much as digits as its factorization.

200230093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28604306.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 200230093 is about 14150.2683013433. The cubic root of 200230093 is about 585.0277270322.

Adding to 200230093 its reverse (390032002), we get a palindrome (590262095).

The spelling of 200230093 in words is "two hundred million, two hundred thirty thousand, ninety-three".

Divisors: 1 7 28604299 200230093