Search a number
-
+
231553468 = 2257888367
BaseRepresentation
bin11011100110100…
…11100110111100
3121010201010122101
431303103212330
5433234202333
634550554444
75511112666
oct1563234674
9533633571
10231553468
11109784603
1265668a24
1338c843b3
1422a77536
15154dd67d
hexdcd39bc

231553468 has 6 divisors (see below), whose sum is σ = 405218576. Its totient is φ = 115776732.

The previous prime is 231553463. The next prime is 231553471. The reversal of 231553468 is 864355132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231553463) 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 as a sum of consecutive naturals, namely, 28944180 + ... + 28944187.

Almost surely, 2231553468 is an apocalyptic number.

It is an amenable number.

231553468 is a deficient number, since it is larger than the sum of its proper divisors (173665108).

231553468 is a wasteful number, since it uses less digits than its factorization.

231553468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57888371 (or 57888369 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 231553468 is about 15216.8810207611. The cubic root of 231553468 is about 614.0688913211.

The spelling of 231553468 in words is "two hundred thirty-one million, five hundred fifty-three thousand, four hundred sixty-eight".

Divisors: 1 2 4 57888367 115776734 231553468