Base | Representation |
---|---|
bin | 11011110010101… |
… | …00100010001000 |
3 | 121020200020101220 |
4 | 31321110202020 |
5 | 434140130440 |
6 | 35044442040 |
7 | 5530400436 |
oct | 1571244210 |
9 | 536606356 |
10 | 233130120 |
11 | 10a661123 |
12 | 660a9320 |
13 | 393b6c22 |
14 | 22d67d56 |
15 | 157008d0 |
hex | de54888 |
233130120 has 32 divisors (see below), whose sum is σ = 699390720. Its totient is φ = 62168000.
The previous prime is 233130083. The next prime is 233130127. The reversal of 233130120 is 21031332.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 233130120.
It is not an unprimeable number, because it can be changed into a prime (233130127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971256 + ... + 971495.
It is an arithmetic number, because the mean of its divisors is an integer number (21855960).
Almost surely, 2233130120 is an apocalyptic number.
233130120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
233130120 is an abundant number, since it is smaller than the sum of its proper divisors (466260600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233130120 is a wasteful number, since it uses less digits than its factorization.
233130120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1942765 (or 1942761 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 233130120 is about 15268.5991498893. The cubic root of 233130120 is about 615.4594755245.
Adding to 233130120 its reverse (21031332), we get a palindrome (254161452).
The spelling of 233130120 in words is "two hundred thirty-three million, one hundred thirty thousand, one hundred twenty".
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