Base | Representation |
---|---|
bin | 1001001110101… |
… | …1001011010000 |
3 | 2200211202220101 |
4 | 2103223023100 |
5 | 34402241031 |
6 | 3501422144 |
7 | 650022010 |
oct | 223531320 |
9 | 80752811 |
10 | 38712016 |
11 | 1a940a02 |
12 | 10b6a954 |
13 | 8035525 |
14 | 51d9c40 |
15 | 35ea361 |
hex | 24eb2d0 |
38712016 has 20 divisors (see below), whose sum is σ = 85719712. Its totient is φ = 16590816.
The previous prime is 38712007. The next prime is 38712017. The reversal of 38712016 is 61021783.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38712017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172710 + ... + 172933.
Almost surely, 238712016 is an apocalyptic number.
It is an amenable number.
38712016 is an abundant number, since it is smaller than the sum of its proper divisors (47007696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38712016 is a wasteful number, since it uses less digits than its factorization.
38712016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345658 (or 345652 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 38712016 is about 6221.8981026693. The cubic root of 38712016 is about 338.2843679020.
Adding to 38712016 its reverse (61021783), we get a palindrome (99733799).
It can be divided in two parts, 387 and 12016, that added together give a triangular number (12403 = T157).
The spelling of 38712016 in words is "thirty-eight million, seven hundred twelve thousand, sixteen".
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