Search a number
-
+
231223352 = 2337976261
BaseRepresentation
bin11011100100000…
…11000000111000
3121010002100210212
431302003000320
5433143121402
634535530252
75505236363
oct1562030070
9533070725
10231223352
11109579588
1265529988
1338b9a069
14229cd0da
1515475952
hexdc83038

231223352 has 16 divisors (see below), whose sum is σ = 434693400. Its totient is φ = 115305120.

The previous prime is 231223297. The next prime is 231223373. The reversal of 231223352 is 253322132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35099 + ... + 41162.

Almost surely, 2231223352 is an apocalyptic number.

It is an amenable number.

231223352 is a deficient number, since it is larger than the sum of its proper divisors (203470048).

231223352 is a wasteful number, since it uses less digits than its factorization.

231223352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76646 (or 76642 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 231223352 is about 15206.0301196598. The cubic root of 231223352 is about 613.7769351726.

Adding to 231223352 its reverse (253322132), we get a palindrome (484545484).

The spelling of 231223352 in words is "two hundred thirty-one million, two hundred twenty-three thousand, three hundred fifty-two".

Divisors: 1 2 4 8 379 758 1516 3032 76261 152522 305044 610088 28902919 57805838 115611676 231223352