Base | Representation |
---|---|
bin | 1011011011100… |
… | …0010010110100 |
3 | 10100012122101202 |
4 | 2312320102310 |
5 | 44233101123 |
6 | 4431312032 |
7 | 1121330030 |
oct | 266702264 |
9 | 110178352 |
10 | 47940788 |
11 | 25074695 |
12 | 1407b618 |
13 | 9c1703c |
14 | 651d1c0 |
15 | 431ea28 |
hex | 2db84b4 |
47940788 has 12 divisors (see below), whose sum is σ = 95881632. Its totient is φ = 20546040.
The previous prime is 47940769. The next prime is 47940791. The reversal of 47940788 is 88704974.
47940788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
47940788 is an admirable number.
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 3 ways as a sum of consecutive naturals, for example, 856058 + ... + 856113.
It is an arithmetic number, because the mean of its divisors is an integer number (7990136).
Almost surely, 247940788 is an apocalyptic number.
It is an amenable number.
47940788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47940788 is a wasteful number, since it uses less digits than its factorization.
47940788 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1712182 (or 1712180 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 47.
The square root of 47940788 is about 6923.9286535897. The cubic root of 47940788 is about 363.2746190977.
The spelling of 47940788 in words is "forty-seven million, nine hundred forty thousand, seven hundred eighty-eight".
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