Base | Representation |
---|---|
bin | 1011010000111… |
… | …1001101100111 |
3 | 10021220110101111 |
4 | 2310033031213 |
5 | 44043420411 |
6 | 4404405451 |
7 | 1112413642 |
oct | 264171547 |
9 | 107813344 |
10 | 47248231 |
11 | 24741328 |
12 | 139a6887 |
13 | 9a33a44 |
14 | 63bca59 |
15 | 4234721 |
hex | 2d0f367 |
47248231 has 8 divisors (see below), whose sum is σ = 50295600. Its totient is φ = 44256960.
The previous prime is 47248211. The next prime is 47248237. The reversal of 47248231 is 13284274.
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 47248231 - 29 = 47247719 is a prime.
It is a super-2 number, since 2×472482312 = 4464790665258722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47248193 and 47248202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47248237) 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, 12280 + ... + 15661.
It is an arithmetic number, because the mean of its divisors is an integer number (6286950).
Almost surely, 247248231 is an apocalyptic number.
47248231 is a deficient number, since it is larger than the sum of its proper divisors (3047369).
47248231 is a wasteful number, since it uses less digits than its factorization.
It is an anagram of its base 11 representation: 47248231 = (24741328)11.
47248231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28049.
The product of its digits is 10752, while the sum is 31.
The square root of 47248231 is about 6873.7348654134. The cubic root of 47248231 is about 361.5168278857.
The spelling of 47248231 in words is "forty-seven million, two hundred forty-eight thousand, two hundred thirty-one".
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