Base | Representation |
---|---|
bin | 11011111101101… |
… | …00111101110000 |
3 | 121100101120121002 |
4 | 31332310331300 |
5 | 440022324210 |
6 | 35135421132 |
7 | 5545562165 |
oct | 1576647560 |
9 | 540346532 |
10 | 234573680 |
11 | 110457750 |
12 | 666847a8 |
13 | 397a0cc3 |
14 | 2322206c |
15 | 158d84a5 |
hex | dfb4f70 |
234573680 has 80 divisors (see below), whose sum is σ = 599292000. Its totient is φ = 84679680.
The previous prime is 234573679. The next prime is 234573743. The reversal of 234573680 is 86375432.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×2345736802 = 110049622697484800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130226 + ... + 132014.
It is an arithmetic number, because the mean of its divisors is an integer number (7491150).
Almost surely, 2234573680 is an apocalyptic number.
234573680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 234573680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299646000).
234573680 is an abundant number, since it is smaller than the sum of its proper divisors (364718320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234573680 is a wasteful number, since it uses less digits than its factorization.
234573680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1962 (or 1956 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 38.
The square root of 234573680 is about 15315.7983794512. The cubic root of 234573680 is about 616.7271869829.
The spelling of 234573680 in words is "two hundred thirty-four million, five hundred seventy-three thousand, six hundred eighty".
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