Base | Representation |
---|---|
bin | 1011011001111… |
… | …1010000101100 |
3 | 10100000102202010 |
4 | 2312133100230 |
5 | 44221311002 |
6 | 4425201220 |
7 | 1120422060 |
oct | 266372054 |
9 | 110012663 |
10 | 47838252 |
11 | 25004650 |
12 | 14030210 |
13 | 9bac477 |
14 | 64d3aa0 |
15 | 42ee46c |
hex | 2d9f42c |
47838252 has 96 divisors (see below), whose sum is σ = 145281024. Its totient is φ = 11880000.
The previous prime is 47838251. The next prime is 47838253. The reversal of 47838252 is 25283874.
It is an interprime number because it is at equal distance from previous prime (47838251) and next prime (47838253).
It is a self number, because there is not a number n which added to its sum of digits gives 47838252.
It is not an unprimeable number, because it can be changed into a prime (47838251) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20127 + ... + 22377.
It is an arithmetic number, because the mean of its divisors is an integer number (1513344).
Almost surely, 247838252 is an apocalyptic number.
47838252 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 47838252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72640512).
47838252 is an abundant number, since it is smaller than the sum of its proper divisors (97442772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47838252 is a wasteful number, since it uses less digits than its factorization.
47838252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2299 (or 2297 counting only the distinct ones).
The product of its digits is 107520, while the sum is 39.
The square root of 47838252 is about 6916.5202233493. The cubic root of 47838252 is about 363.0154430361.
The spelling of 47838252 in words is "forty-seven million, eight hundred thirty-eight thousand, two hundred fifty-two".
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