Base | Representation |
---|---|
bin | 1011010000111… |
… | …1010111111001 |
3 | 10021220111021212 |
4 | 2310033113321 |
5 | 44043431024 |
6 | 4404412505 |
7 | 1112415602 |
oct | 264172771 |
9 | 107814255 |
10 | 47248889 |
11 | 24741876 |
12 | 139a7135 |
13 | 9a3412c |
14 | 63bcda9 |
15 | 4234a0e |
hex | 2d0f5f9 |
47248889 has 8 divisors (see below), whose sum is σ = 48627840. Its totient is φ = 45875376.
The previous prime is 47248879. The next prime is 47248919. The reversal of 47248889 is 98884274.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47248889 - 28 = 47248633 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47248879) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21872 + ... + 23934.
It is an arithmetic number, because the mean of its divisors is an integer number (6078480).
Almost surely, 247248889 is an apocalyptic number.
It is an amenable number.
47248889 is a deficient number, since it is larger than the sum of its proper divisors (1378951).
47248889 is a wasteful number, since it uses less digits than its factorization.
47248889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2719.
The product of its digits is 1032192, while the sum is 50.
The square root of 47248889 is about 6873.7827286000. The cubic root of 47248889 is about 361.5185060929.
The spelling of 47248889 in words is "forty-seven million, two hundred forty-eight thousand, eight hundred eighty-nine".
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