Base | Representation |
---|---|
bin | 11011111110101… |
… | …11001101000000 |
3 | 121100122200222011 |
4 | 31333113031000 |
5 | 440041321140 |
6 | 35142422304 |
7 | 5550015100 |
oct | 1577271500 |
9 | 540580864 |
10 | 234713920 |
11 | 110543051 |
12 | 66731994 |
13 | 3981ca9c |
14 | 2325b200 |
15 | 15914cea |
hex | dfd7340 |
234713920 has 84 divisors (see below), whose sum is σ = 650206980. Its totient is φ = 80467968.
The previous prime is 234713893. The next prime is 234713987. The reversal of 234713920 is 29317432.
It can be written as a sum of positive squares in 2 ways, for example, as 25969216 + 208744704 = 5096^2 + 14448^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8196 + ... + 23164.
Almost surely, 2234713920 is an apocalyptic number.
234713920 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 234713920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325103490).
234713920 is an abundant number, since it is smaller than the sum of its proper divisors (415493060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234713920 is a wasteful number, since it uses less digits than its factorization.
234713920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15000 (or 14983 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 234713920 is about 15320.3759744988. The cubic root of 234713920 is about 616.8500660579.
The spelling of 234713920 in words is "two hundred thirty-four million, seven hundred thirteen thousand, nine hundred twenty".
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