Base | Representation |
---|---|
bin | 11101011111110… |
… | …10011010101100 |
3 | 122020121022100000 |
4 | 32233322122230 |
5 | 1001321103233 |
6 | 40315304300 |
7 | 6063133350 |
oct | 1657723254 |
9 | 566538300 |
10 | 247441068 |
11 | 117746156 |
12 | 6aa4b090 |
13 | 3c357a44 |
14 | 24c11460 |
15 | 16acad13 |
hex | ebfa6ac |
247441068 has 144 divisors (see below), whose sum is σ = 760241664. Its totient is φ = 68895360.
The previous prime is 247441067. The next prime is 247441087. The reversal of 247441068 is 860144742.
It is a super-2 number, since 2×2474410682 = 122454164265961248, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (247441067) 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, 278521 + ... + 279407.
It is an arithmetic number, because the mean of its divisors is an integer number (5279456).
Almost surely, 2247441068 is an apocalyptic number.
247441068 is a gapful number since it is divisible by the number (28) 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 247441068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380120832).
247441068 is an abundant number, since it is smaller than the sum of its proper divisors (512800596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
247441068 is a wasteful number, since it uses less digits than its factorization.
247441068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 954 (or 940 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 36.
The square root of 247441068 is about 15730.2596291352. The cubic root of 247441068 is about 627.8037813148.
The spelling of 247441068 in words is "two hundred forty-seven million, four hundred forty-one thousand, sixty-eight".
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