Search a number
-
+
234423217 = 7172115879
BaseRepresentation
bin11011111100100…
…00001110110001
3121100002221012101
431332100032301
5440003020332
635132300401
75544364420
oct1576201661
9540087171
10234423217
111103646a6
1266611701
133974a682
14231c32b7
15158a8ae7
hexdf903b1

234423217 has 12 divisors (see below), whose sum is σ = 284601280. Its totient is φ = 189112896.

The previous prime is 234423191. The next prime is 234423227. The reversal of 234423217 is 712324432.

It is not a de Polignac number, because 234423217 - 211 = 234421169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234423227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55917 + ... + 59962.

Almost surely, 2234423217 is an apocalyptic number.

It is an amenable number.

234423217 is a deficient number, since it is larger than the sum of its proper divisors (50178063).

234423217 is a wasteful number, since it uses less digits than its factorization.

234423217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115920 (or 115903 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 234423217 is about 15310.8855720366. The cubic root of 234423217 is about 616.5952959849.

Adding to 234423217 its reverse (712324432), we get a palindrome (946747649).

The spelling of 234423217 in words is "two hundred thirty-four million, four hundred twenty-three thousand, two hundred seventeen".

Divisors: 1 7 17 119 289 2023 115879 811153 1969943 13789601 33489031 234423217