Search a number
-
+
320233201 = 1916854379
BaseRepresentation
bin10011000101100…
…101111011110001
3211022120112100221
4103011211323301
51123434430301
651435413041
710635636331
oct2305457361
9738515327
10320233201
11154843a42
128b2b4181
1351463402
143075d0c1
151d1a8da1
hex13165ef1

320233201 has 4 divisors (see below), whose sum is σ = 337087600. Its totient is φ = 303378804.

The previous prime is 320233183. The next prime is 320233237. The reversal of 320233201 is 102332023.

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 a de Polignac number, because none of the positive numbers 2k-320233201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320233241) 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, 8427171 + ... + 8427208.

It is an arithmetic number, because the mean of its divisors is an integer number (84271900).

Almost surely, 2320233201 is an apocalyptic number.

It is an amenable number.

320233201 is a deficient number, since it is larger than the sum of its proper divisors (16854399).

320233201 is a wasteful number, since it uses less digits than its factorization.

320233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16854398.

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

The square root of 320233201 is about 17895.0607990026. The cubic root of 320233201 is about 684.1564917007.

Adding to 320233201 its reverse (102332023), we get a palindrome (422565224).

The spelling of 320233201 in words is "three hundred twenty million, two hundred thirty-three thousand, two hundred one".

Divisors: 1 19 16854379 320233201