Base | Representation |
---|---|
bin | 1011010011000… |
… | …0001111100000 |
3 | 10022011022222012 |
4 | 2310300033200 |
5 | 44112233040 |
6 | 4411332052 |
7 | 1113516242 |
oct | 264601740 |
9 | 108138865 |
10 | 47383520 |
11 | 24823a38 |
12 | 13a51028 |
13 | 9a804b2 |
14 | 6416092 |
15 | 425e865 |
hex | 2d303e0 |
47383520 has 48 divisors (see below), whose sum is σ = 114343488. Its totient is φ = 18547200.
The previous prime is 47383517. The next prime is 47383541. The reversal of 47383520 is 2538374.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4370 + ... + 10670.
It is an arithmetic number, because the mean of its divisors is an integer number (2382156).
Almost surely, 247383520 is an apocalyptic number.
47383520 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 47383520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57171744).
47383520 is an abundant number, since it is smaller than the sum of its proper divisors (66959968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47383520 is a wasteful number, since it uses less digits than its factorization.
47383520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6363 (or 6355 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 32.
The square root of 47383520 is about 6883.5688418145. The cubic root of 47383520 is about 361.8615507921.
The spelling of 47383520 in words is "forty-seven million, three hundred eighty-three thousand, five hundred twenty".
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