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231024332 = 2271136199
BaseRepresentation
bin11011100010100…
…10011011001100
3121002201020210202
431301102123030
5433120234312
634531353032
75503450220
oct1561223314
9532636722
10231024332
11109453000
1265452778
1338b2a5b6
142297a780
15154369c2
hexdc526cc

231024332 has 48 divisors (see below), whose sum is σ = 508300800. Its totient is φ = 89994960.

The previous prime is 231024323. The next prime is 231024349. The reversal of 231024332 is 233420132.

231024332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34169 + ... + 40367.

It is an arithmetic number, because the mean of its divisors is an integer number (10589600).

Almost surely, 2231024332 is an apocalyptic number.

231024332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231024332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254150400).

231024332 is an abundant number, since it is smaller than the sum of its proper divisors (277276468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231024332 is a wasteful number, since it uses less digits than its factorization.

231024332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243 (or 6219 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 231024332 is about 15199.4845965250. The cubic root of 231024332 is about 613.6007866588.

Adding to 231024332 its reverse (233420132), we get a palindrome (464444464).

The spelling of 231024332 in words is "two hundred thirty-one million, twenty-four thousand, three hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 847 1331 1694 2662 3388 5324 6199 9317 12398 18634 24796 37268 43393 68189 86786 136378 173572 272756 477323 750079 954646 1500158 1909292 3000316 5250553 8250869 10501106 16501738 21002212 33003476 57756083 115512166 231024332