Base | Representation |
---|---|
bin | 1011001101111… |
… | …0001011100000 |
3 | 10021112020220000 |
4 | 2303132023200 |
5 | 44021004032 |
6 | 4400220000 |
7 | 1110616260 |
oct | 263361340 |
9 | 107466800 |
10 | 47047392 |
11 | 24614447 |
12 | 1390a600 |
13 | 99934c2 |
14 | 63697a0 |
15 | 41e4e7c |
hex | 2cde2e0 |
47047392 has 120 divisors (see below), whose sum is σ = 158192496. Its totient is φ = 13436928.
The previous prime is 47047373. The next prime is 47047393. The reversal of 47047392 is 29374074.
47047392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
47047392 is a modest number, since divided by 7392 gives 4704 as remainder.
It is a zygodrome in base 6.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47047393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16848 + ... + 19440.
Almost surely, 247047392 is an apocalyptic number.
47047392 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47047392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79096248).
47047392 is an abundant number, since it is smaller than the sum of its proper divisors (111145104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47047392 is a wasteful number, since it uses less digits than its factorization.
47047392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2622 (or 2605 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 36.
The square root of 47047392 is about 6859.1101463674. The cubic root of 47047392 is about 361.0038647745.
The spelling of 47047392 in words is "forty-seven million, forty-seven thousand, three hundred ninety-two".
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