Base | Representation |
---|---|
bin | 1011010000111… |
… | …1101100101100 |
3 | 10021220120010011 |
4 | 2310033230230 |
5 | 44044001340 |
6 | 4404423004 |
7 | 1112422513 |
oct | 264175454 |
9 | 107816104 |
10 | 47250220 |
11 | 24742876 |
12 | 139a7a64 |
13 | 9a34914 |
14 | 63bd67a |
15 | 42350ea |
hex | 2d0fb2c |
47250220 has 24 divisors (see below), whose sum is σ = 100193184. Its totient is φ = 18715776.
The previous prime is 47250197. The next prime is 47250227. The reversal of 47250220 is 2205274.
It is a junction number, because it is equal to n+sod(n) for n = 47250191 and 47250200.
It is not an unprimeable number, because it can be changed into a prime (47250227) 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, 9409 + ... + 13528.
It is an arithmetic number, because the mean of its divisors is an integer number (4174716).
Almost surely, 247250220 is an apocalyptic number.
It is an amenable number.
47250220 is an abundant number, since it is smaller than the sum of its proper divisors (52942964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47250220 is a wasteful number, since it uses less digits than its factorization.
47250220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23049 (or 23047 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 22.
The square root of 47250220 is about 6873.8795450604. The cubic root of 47250220 is about 361.5219007167.
Adding to 47250220 its reverse (2205274), we get a palindrome (49455494).
The spelling of 47250220 in words is "forty-seven million, two hundred fifty thousand, two hundred twenty".
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