Base | Representation |
---|---|
bin | 1101011011001100100… |
… | …1111101110010010100 |
3 | 211001022121222012002000 |
4 | 3112303021331302110 |
5 | 12234322041010344 |
6 | 253542030115300 |
7 | 22443310105506 |
oct | 3266311756224 |
9 | 731277865060 |
10 | 230639000724 |
11 | 898a4780a00 |
12 | 3884864bb30 |
13 | 18997bb68c2 |
14 | b23d345d76 |
15 | 5eed221a69 |
hex | 35b327dc94 |
230639000724 has 144 divisors (see below), whose sum is σ = 657675083520. Its totient is φ = 69845846400.
The previous prime is 230639000723. The next prime is 230639000737. The reversal of 230639000724 is 427000936032.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230639000723) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24445512 + ... + 24454944.
It is an arithmetic number, because the mean of its divisors is an integer number (4567188080).
Almost surely, 2230639000724 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 230639000724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328837541760).
230639000724 is an abundant number, since it is smaller than the sum of its proper divisors (427036082796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230639000724 is a wasteful number, since it uses less digits than its factorization.
230639000724 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11339 (or 11320 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 36.
Adding to 230639000724 its reverse (427000936032), we get a palindrome (657639936756).
The spelling of 230639000724 in words is "two hundred thirty billion, six hundred thirty-nine million, seven hundred twenty-four", and thus it is an aban number.
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