Base | Representation |
---|---|
bin | 1011011011100… |
… | …0000010000000 |
3 | 10100012120220220 |
4 | 2312320002000 |
5 | 44233032322 |
6 | 4431303040 |
7 | 1121323632 |
oct | 266700200 |
9 | 110176826 |
10 | 47939712 |
11 | 250738a7 |
12 | 1407aa80 |
13 | 9c166c2 |
14 | 651ca52 |
15 | 431e55c |
hex | 2db8080 |
47939712 has 64 divisors (see below), whose sum is σ = 128446560. Its totient is φ = 15841280.
The previous prime is 47939681. The next prime is 47939729. The reversal of 47939712 is 21793974.
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49828 + ... + 50780.
Almost surely, 247939712 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 47939712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64223280).
47939712 is an abundant number, since it is smaller than the sum of its proper divisors (80506848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47939712 is a wasteful number, since it uses less digits than its factorization.
47939712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1101 (or 1089 counting only the distinct ones).
The product of its digits is 95256, while the sum is 42.
The square root of 47939712 is about 6923.8509516020. The cubic root of 47939712 is about 363.2719012560.
The spelling of 47939712 in words is "forty-seven million, nine hundred thirty-nine thousand, seven hundred twelve".
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