Base | Representation |
---|---|
bin | 1011011000111… |
… | …0001111010100 |
3 | 10022212220002220 |
4 | 2312032033110 |
5 | 44212043112 |
6 | 4423502340 |
7 | 1120011600 |
oct | 266161724 |
9 | 108786086 |
10 | 47768532 |
11 | 24a67229 |
12 | 13bb79b0 |
13 | 9b86806 |
14 | 64b6500 |
15 | 42d898c |
hex | 2d8e3d4 |
47768532 has 36 divisors (see below), whose sum is σ = 129659040. Its totient is φ = 13647984.
The previous prime is 47768531. The next prime is 47768533. The reversal of 47768532 is 23586774.
It is an interprime number because it is at equal distance from previous prime (47768531) and next prime (47768533).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47768531) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40032 + ... + 41207.
It is an arithmetic number, because the mean of its divisors is an integer number (3601640).
Almost surely, 247768532 is an apocalyptic number.
47768532 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
47768532 is an abundant number, since it is smaller than the sum of its proper divisors (81890508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47768532 is a wasteful number, since it uses less digits than its factorization.
47768532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81260 (or 81251 counting only the distinct ones).
The product of its digits is 282240, while the sum is 42.
The square root of 47768532 is about 6911.4782789212. The cubic root of 47768532 is about 362.8390030464.
The spelling of 47768532 in words is "forty-seven million, seven hundred sixty-eight thousand, five hundred thirty-two".
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