Base | Representation |
---|---|
bin | 11011111110111… |
… | …10111111100110 |
3 | 121100201022202000 |
4 | 31333132333212 |
5 | 440043331310 |
6 | 35143230130 |
7 | 5550210114 |
oct | 1577367746 |
9 | 540638660 |
10 | 234745830 |
11 | 110565020 |
12 | 66748346 |
13 | 39831477 |
14 | 23268ab4 |
15 | 1591e4c0 |
hex | dfdefe6 |
234745830 has 64 divisors (see below), whose sum is σ = 682905600. Its totient is φ = 56907360.
The previous prime is 234745813. The next prime is 234745831. The reversal of 234745830 is 38547432.
It is a happy number.
234745830 is a `hidden beast` number, since 2 + 3 + 4 + 74 + 583 + 0 = 666.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (234745831) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36550 + ... + 42489.
It is an arithmetic number, because the mean of its divisors is an integer number (10670400).
Almost surely, 2234745830 is an apocalyptic number.
234745830 is an abundant number, since it is smaller than the sum of its proper divisors (448159770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234745830 is a wasteful number, since it uses less digits than its factorization.
234745830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79066 (or 79060 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 36.
The square root of 234745830 is about 15321.4173626333. The cubic root of 234745830 is about 616.8780189429.
The spelling of 234745830 in words is "two hundred thirty-four million, seven hundred forty-five thousand, eight hundred thirty".
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