Base | Representation |
---|---|
bin | 11011110010100… |
… | …10010000001100 |
3 | 121020122202120222 |
4 | 31321102100030 |
5 | 434134331110 |
6 | 35044330512 |
7 | 5530331264 |
oct | 1571222014 |
9 | 536582528 |
10 | 233120780 |
11 | 10a655102 |
12 | 660a3a38 |
13 | 393b28b9 |
14 | 22d647a4 |
15 | 156ecc55 |
hex | de5240c |
233120780 has 24 divisors (see below), whose sum is σ = 491384880. Its totient is φ = 92899520.
The previous prime is 233120749. The next prime is 233120791. The reversal of 233120780 is 87021332.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16286 + ... + 27045.
It is an arithmetic number, because the mean of its divisors is an integer number (20474370).
Almost surely, 2233120780 is an apocalyptic number.
233120780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
233120780 is an abundant number, since it is smaller than the sum of its proper divisors (258264100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233120780 is a wasteful number, since it uses less digits than its factorization.
233120780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43609 (or 43607 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 233120780 is about 15268.2932903452. The cubic root of 233120780 is about 615.4512562687.
The spelling of 233120780 in words is "two hundred thirty-three million, one hundred twenty thousand, seven hundred eighty".
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