Search a number
-
+
232215245 = 51923106277
BaseRepresentation
bin11011101011101…
…01001011001101
3121011221202102122
431311311023031
5433421341440
635013102325
75516540243
oct1565651315
9534852378
10232215245
1110a096829
12659279a5
1339156692
1422baa793
15155be7b5
hexdd752cd

232215245 has 16 divisors (see below), whose sum is σ = 306080640. Its totient is φ = 168341184.

The previous prime is 232215241. The next prime is 232215259. The reversal of 232215245 is 542512232.

It is a cyclic number.

It is not a de Polignac number, because 232215245 - 22 = 232215241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232215241) 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 15 ways as a sum of consecutive naturals, for example, 50954 + ... + 55323.

It is an arithmetic number, because the mean of its divisors is an integer number (19130040).

Almost surely, 2232215245 is an apocalyptic number.

It is an amenable number.

232215245 is a deficient number, since it is larger than the sum of its proper divisors (73865395).

232215245 is a wasteful number, since it uses less digits than its factorization.

232215245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106324.

The product of its digits is 4800, while the sum is 26.

The square root of 232215245 is about 15238.6103369041. The cubic root of 232215245 is about 614.6533353747.

Adding to 232215245 its reverse (542512232), we get a palindrome (774727477).

The spelling of 232215245 in words is "two hundred thirty-two million, two hundred fifteen thousand, two hundred forty-five".

Divisors: 1 5 19 23 95 115 437 2185 106277 531385 2019263 2444371 10096315 12221855 46443049 232215245