Base | Representation |
---|---|
bin | 1011011000100… |
… | …1010010010110 |
3 | 10022211212021120 |
4 | 2312021102112 |
5 | 44210420441 |
6 | 4423224410 |
7 | 1116565500 |
oct | 266112226 |
9 | 108755246 |
10 | 47748246 |
11 | 24a52a67 |
12 | 13ba8106 |
13 | 9b7a500 |
14 | 64acd70 |
15 | 42d2966 |
hex | 2d89496 |
47748246 has 108 divisors (see below), whose sum is σ = 124295796. Its totient is φ = 12186720.
The previous prime is 47748229. The next prime is 47748251. The reversal of 47748246 is 64284774.
It is a Harshad number since it is a multiple of its sum of digits (42).
Its product of digits (301056) is a multiple of the sum of its prime divisors (56).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 47748198 and 47748207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1540251 + ... + 1540281.
It is an arithmetic number, because the mean of its divisors is an integer number (1150887).
Almost surely, 247748246 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47748246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62147898).
47748246 is an abundant number, since it is smaller than the sum of its proper divisors (76547550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47748246 is a wasteful number, since it uses less digits than its factorization.
47748246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107 (or 56 counting only the distinct ones).
The product of its digits is 301056, while the sum is 42.
The square root of 47748246 is about 6910.0105643913. The cubic root of 47748246 is about 362.7876331459.
Multiplying 47748246 by its product of digits (301056), we get a square (14374895947776 = 37914242).
The spelling of 47748246 in words is "forty-seven million, seven hundred forty-eight thousand, two hundred forty-six".
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