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20341233 = 331168489
BaseRepresentation
bin100110110011…
…0000111110001
31102021102221000
41031212013301
520201404413
62003552213
7334616613
oct115460761
942242830
1020341233
1110533740
12698b669
1342a2843
1429b6db3
151bbc073
hex13661f1

20341233 has 16 divisors (see below), whose sum is σ = 32875200. Its totient is φ = 12327840.

The previous prime is 20341213. The next prime is 20341247. The reversal of 20341233 is 33214302.

It is not a de Polignac number, because 20341233 - 25 = 20341201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20341213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33948 + ... + 34541.

It is an arithmetic number, because the mean of its divisors is an integer number (2054700).

Almost surely, 220341233 is an apocalyptic number.

It is an amenable number.

20341233 is a deficient number, since it is larger than the sum of its proper divisors (12533967).

20341233 is a wasteful number, since it uses less digits than its factorization.

20341233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68509 (or 68503 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20341233 is about 4510.1256080069. The cubic root of 20341233 is about 272.9768124250.

Adding to 20341233 its reverse (33214302), we get a palindrome (53555535).

The spelling of 20341233 in words is "twenty million, three hundred forty-one thousand, two hundred thirty-three".

Divisors: 1 3 9 11 27 33 99 297 68489 205467 616401 753379 1849203 2260137 6780411 20341233