Base | Representation |
---|---|
bin | 1011010010011… |
… | …0010010111100 |
3 | 10022002021002022 |
4 | 2310212102330 |
5 | 44104432110 |
6 | 4410415312 |
7 | 1113256412 |
oct | 264462274 |
9 | 108067068 |
10 | 47342780 |
11 | 247a6371 |
12 | 13a31538 |
13 | 9a67aa4 |
14 | 64052b2 |
15 | 4252755 |
hex | 2d264bc |
47342780 has 48 divisors (see below), whose sum is σ = 103148640. Its totient is φ = 18240768.
The previous prime is 47342767. The next prime is 47342791. The reversal of 47342780 is 8724374.
47342780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×473427803 (a number of 24 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 47342780.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 62162 + ... + 62918.
It is an arithmetic number, because the mean of its divisors is an integer number (2148930).
Almost surely, 247342780 is an apocalyptic number.
It is an amenable number.
47342780 is an abundant number, since it is smaller than the sum of its proper divisors (55805860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47342780 is a wasteful number, since it uses less digits than its factorization.
47342780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 878 (or 876 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 35.
The square root of 47342780 is about 6880.6089846757. The cubic root of 47342780 is about 361.7578124270.
The spelling of 47342780 in words is "forty-seven million, three hundred forty-two thousand, seven hundred eighty".
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