| Base | Representation |
|---|---|
| bin | 1011010111110… |
| … | …0001100110000 |
| 3 | 10022202010202011 |
| 4 | 2311330030300 |
| 5 | 44202212030 |
| 6 | 4422132304 |
| 7 | 1116253300 |
| oct | 265741460 |
| 9 | 108663664 |
| 10 | 47694640 |
| 11 | 24a16764 |
| 12 | 13b81094 |
| 13 | 9b5bca6 |
| 14 | 6497600 |
| 15 | 42c1b2a |
| hex | 2d7c330 |
47694640 has 120 divisors (see below), whose sum is σ = 134857440. Its totient is φ = 15641472.
The previous prime is 47694631. The next prime is 47694641. The reversal of 47694640 is 4649674.
47694640 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 (40).
It is a junction number, because it is equal to n+sod(n) for n = 47694593 and 47694602.
It is not an unprimeable number, because it can be changed into a prime (47694641) 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 23 ways as a sum of consecutive naturals, for example, 2073669 + ... + 2073691.
It is an arithmetic number, because the mean of its divisors is an integer number (1123812).
Almost surely, 247694640 is an apocalyptic number.
47694640 is a gapful number since it is divisible by the number (40) 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 47694640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67428720).
47694640 is an abundant number, since it is smaller than the sum of its proper divisors (87162800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47694640 is an equidigital number, since it uses as much as digits as its factorization.
47694640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96 (or 37 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 40.
The square root of 47694640 is about 6906.1306098278. The cubic root of 47694640 is about 362.6518175028.
It can be divided in two parts, 4769 and 4640, that added together give a square (9409 = 972).
The spelling of 47694640 in words is "forty-seven million, six hundred ninety-four thousand, six hundred forty".
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