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233130212 = 2278326079
BaseRepresentation
bin11011110010101…
…00100011100100
3121020200020112022
431321110203210
5434140131322
635044442312
75530400630
oct1571244344
9536606468
10233130212
1110a6611a7
12660a9398
13393b6c93
1422d67dc0
1515700942
hexde548e4

233130212 has 12 divisors (see below), whose sum is σ = 466260480. Its totient is φ = 99912936.

The previous prime is 233130203. The next prime is 233130253. The reversal of 233130212 is 212031332.

233130212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

233130212 is an admirable 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, 4163012 + ... + 4163067.

It is an arithmetic number, because the mean of its divisors is an integer number (38855040).

Almost surely, 2233130212 is an apocalyptic number.

It is an amenable number.

233130212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

233130212 is a wasteful number, since it uses less digits than its factorization.

233130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326090 (or 8326088 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 233130212 is about 15268.6021626081. The cubic root of 233130212 is about 615.4595564839.

Adding to 233130212 its reverse (212031332), we get a palindrome (445161544).

The spelling of 233130212 in words is "two hundred thirty-three million, one hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 8326079 16652158 33304316 58282553 116565106 233130212