Base | Representation |
---|---|
bin | 100100100000010… |
… | …1111001111000000 |
3 | 10011100220220101200 |
4 | 1021000233033000 |
5 | 10002040231430 |
6 | 321314301200 |
7 | 42232510122 |
oct | 11100571700 |
9 | 3140826350 |
10 | 1224930240 |
11 | 579494246 |
12 | 2a2287800 |
13 | 166a129c1 |
14 | b897d212 |
15 | 72812460 |
hex | 4902f3c0 |
1224930240 has 336 divisors, whose sum is σ = 4519037952. Its totient is φ = 303464448.
The previous prime is 1224930221. The next prime is 1224930241. The reversal of 1224930240 is 420394221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1224930241) 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, 6217822 + ... + 6218018.
Almost surely, 21224930240 is an apocalyptic number.
1224930240 is a gapful number since it is divisible by the number (10) 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 1224930240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2259518976).
1224930240 is an abundant number, since it is smaller than the sum of its proper divisors (3294107712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1224930240 is a wasteful number, since it uses less digits than its factorization.
1224930240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 364 (or 351 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 1224930240 is about 34999.0034143831. The cubic root of 1224930240 is about 1069.9671693423.
The spelling of 1224930240 in words is "one billion, two hundred twenty-four million, nine hundred thirty thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.059 sec. • engine limits •