Base | Representation |
---|---|
bin | 11101011101010… |
… | …11001011000000 |
3 | 122012222211002020 |
4 | 32232223023000 |
5 | 1001230211410 |
6 | 40304321440 |
7 | 6060312132 |
oct | 1656531300 |
9 | 565884066 |
10 | 247116480 |
11 | 1175442a6 |
12 | 6a913280 |
13 | 3c273090 |
14 | 24b69052 |
15 | 16a64a70 |
hex | ebab2c0 |
247116480 has 112 divisors (see below), whose sum is σ = 844990944. Its totient is φ = 60825600.
The previous prime is 247116479. The next prime is 247116491. The reversal of 247116480 is 84611742.
247116480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2471164802 = 122133109375180800, which contains 22 as substring.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
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, 2580 + ... + 22380.
It is an arithmetic number, because the mean of its divisors is an integer number (7544562).
Almost surely, 2247116480 is an apocalyptic number.
247116480 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 247116480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422495472).
247116480 is an abundant number, since it is smaller than the sum of its proper divisors (597874464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
247116480 is a wasteful number, since it uses less digits than its factorization.
247116480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19834 (or 19824 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 247116480 is about 15719.9389311791. The cubic root of 247116480 is about 627.5291479188.
The spelling of 247116480 in words is "two hundred forty-seven million, one hundred sixteen thousand, four hundred eighty".
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