Search a number
-
+
201230233 = 499403267
BaseRepresentation
bin10111111111010…
…00011110011001
3112000122112222121
423333220132121
5403003331413
631545021241
74662300031
oct1377503631
9460575877
10201230233
11a3653286
1257484821
13328c8259
141ca228c1
15129edb8d
hexbfe8799

201230233 has 4 divisors (see below), whose sum is σ = 201634000. Its totient is φ = 200826468.

The previous prime is 201230219. The next prime is 201230291. The reversal of 201230233 is 332032102.

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 201230233 - 213 = 201222041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201230203) 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, 201135 + ... + 202132.

It is an arithmetic number, because the mean of its divisors is an integer number (50408500).

Almost surely, 2201230233 is an apocalyptic number.

It is an amenable number.

201230233 is a deficient number, since it is larger than the sum of its proper divisors (403767).

201230233 is an equidigital number, since it uses as much as digits as its factorization.

201230233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403766.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 201230233 is about 14185.5642467968. The cubic root of 201230233 is about 586.0001718132. Note that the first 3 decimals are identical.

Adding to 201230233 its reverse (332032102), we get a palindrome (533262335).

The spelling of 201230233 in words is "two hundred one million, two hundred thirty thousand, two hundred thirty-three".

Divisors: 1 499 403267 201230233