Base | Representation |
---|---|
bin | 11101011111011… |
… | …10011100110000 |
3 | 122020111211002110 |
4 | 32233232130300 |
5 | 1001313021143 |
6 | 40314245320 |
7 | 6062540421 |
oct | 1657563460 |
9 | 566454073 |
10 | 247392048 |
11 | 117712342 |
12 | 6aa26840 |
13 | 3c33b637 |
14 | 24bdb648 |
15 | 16abb533 |
hex | ebee730 |
247392048 has 80 divisors (see below), whose sum is σ = 669885696. Its totient is φ = 78524160.
The previous prime is 247392023. The next prime is 247392049. The reversal of 247392048 is 840293742.
It is a super-2 number, since 2×2473920482 = 122405650827268608, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 247391997 and 247392015.
It is not an unprimeable number, because it can be changed into a prime (247392049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365086 + ... + 365762.
Almost surely, 2247392048 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 247392048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334942848).
247392048 is an abundant number, since it is smaller than the sum of its proper divisors (422493648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
247392048 is a wasteful number, since it uses less digits than its factorization.
247392048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1042 (or 1036 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 39.
The square root of 247392048 is about 15728.7014085715. The cubic root of 247392048 is about 627.7623209729.
The spelling of 247392048 in words is "two hundred forty-seven million, three hundred ninety-two thousand, forty-eight".
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