Base | Representation |
---|---|
bin | 1011010000111… |
… | …1101010110100 |
3 | 10021220112221201 |
4 | 2310033222310 |
5 | 44044000400 |
6 | 4404422244 |
7 | 1112422252 |
oct | 264175264 |
9 | 107815851 |
10 | 47250100 |
11 | 24742777 |
12 | 139a7984 |
13 | 9a34851 |
14 | 63bd5d2 |
15 | 423506a |
hex | 2d0fab4 |
47250100 has 36 divisors (see below), whose sum is σ = 103704300. Its totient is φ = 18684160.
The previous prime is 47250043. The next prime is 47250101. The reversal of 47250100 is 105274.
It can be written as a sum of positive squares in 6 ways, for example, as 18284176 + 28965924 = 4276^2 + 5382^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47250101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6246 + ... + 11554.
It is an arithmetic number, because the mean of its divisors is an integer number (2880675).
Almost surely, 247250100 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 47250100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51852150).
47250100 is an abundant number, since it is smaller than the sum of its proper divisors (56454200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47250100 is a wasteful number, since it uses less digits than its factorization.
47250100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5412 (or 5405 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 19.
The square root of 47250100 is about 6873.8708163596. The cubic root of 47250100 is about 361.5215946676.
Adding to 47250100 its reverse (105274), we get a palindrome (47355374).
The spelling of 47250100 in words is "forty-seven million, two hundred fifty thousand, one hundred".
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