Base | Representation |
---|---|
bin | 11011110111110… |
… | …11110001010000 |
3 | 121021222001001021 |
4 | 31323323301100 |
5 | 434324040440 |
6 | 35111245224 |
7 | 5536252510 |
oct | 1573736120 |
9 | 537861037 |
10 | 233815120 |
11 | 10aa89840 |
12 | 66379814 |
13 | 39596956 |
14 | 230a5840 |
15 | 157d884a |
hex | defbc50 |
233815120 has 80 divisors (see below), whose sum is σ = 677778048. Its totient is φ = 72875520.
The previous prime is 233815117. The next prime is 233815129. The reversal of 233815120 is 21518332.
233815120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×2338151202 = 109339020681228800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (233815129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12819 + ... + 25138.
Almost surely, 2233815120 is an apocalyptic number.
233815120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
233815120 is an abundant number, since it is smaller than the sum of its proper divisors (443962928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233815120 is a wasteful number, since it uses less digits than its factorization.
233815120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37988 (or 37982 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 233815120 is about 15291.0143548425. The cubic root of 233815120 is about 616.0616821350.
The spelling of 233815120 in words is "two hundred thirty-three million, eight hundred fifteen thousand, one hundred twenty".
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