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231233332 = 22115255303
BaseRepresentation
bin11011100100001…
…01011100110100
3121010002212111111
431302011130310
5433143431312
634540044404
75505310441
oct1562053464
9533085444
10231233332
11109586030
1265533704
1338ba1775
14229d29c8
15154788a7
hexdc85734

231233332 has 12 divisors (see below), whose sum is σ = 441445536. Its totient is φ = 105106040.

The previous prime is 231233293. The next prime is 231233341. The reversal of 231233332 is 233332132.

231233332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2627608 + ... + 2627695.

It is an arithmetic number, because the mean of its divisors is an integer number (36787128).

Almost surely, 2231233332 is an apocalyptic number.

231233332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231233332 is a deficient number, since it is larger than the sum of its proper divisors (210212204).

231233332 is a wasteful number, since it uses less digits than its factorization.

231233332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255318 (or 5255316 counting only the distinct ones).

The product of its digits is 1944, while the sum is 22.

The square root of 231233332 is about 15206.3582754057. The cubic root of 231233332 is about 613.7857656038.

Adding to 231233332 its reverse (233332132), we get a palindrome (464565464).

The spelling of 231233332 in words is "two hundred thirty-one million, two hundred thirty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 11 22 44 5255303 10510606 21021212 57808333 115616666 231233332