Base | Representation |
---|---|
bin | 1011010101000… |
… | …0001100110100 |
3 | 10022101222112100 |
4 | 2311100030310 |
5 | 44130430140 |
6 | 4414222100 |
7 | 1114603002 |
oct | 265201464 |
9 | 108358470 |
10 | 47514420 |
11 | 24903318 |
12 | 13ab4930 |
13 | 9ac7c55 |
14 | 644ba72 |
15 | 4288530 |
hex | 2d50334 |
47514420 has 72 divisors (see below), whose sum is σ = 145533024. Its totient is φ = 12547008.
The previous prime is 47514391. The next prime is 47514427. The reversal of 47514420 is 2441574.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47514427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18027 + ... + 20493.
It is an arithmetic number, because the mean of its divisors is an integer number (2021292).
Almost surely, 247514420 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 47514420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72766512).
47514420 is an abundant number, since it is smaller than the sum of its proper divisors (98018604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47514420 is a wasteful number, since it uses less digits than its factorization.
47514420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2589 (or 2584 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 27.
The square root of 47514420 is about 6893.0704334135. The cubic root of 47514420 is about 362.1944662944.
Adding to 47514420 its reverse (2441574), we get a palindrome (49955994).
The spelling of 47514420 in words is "forty-seven million, five hundred fourteen thousand, four hundred twenty".
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