Base | Representation |
---|---|
bin | 1001000111111… |
… | …0100010010100 |
3 | 2200000011111100 |
4 | 2101332202110 |
5 | 34244021103 |
6 | 3444110100 |
7 | 643156452 |
oct | 221764224 |
9 | 80004440 |
10 | 38267028 |
11 | 1a667648 |
12 | 10995330 |
13 | 7c0ab17 |
14 | 51219d2 |
15 | 355d5a3 |
hex | 247e894 |
38267028 has 36 divisors (see below), whose sum is σ = 99348340. Its totient is φ = 12410496.
The previous prime is 38267027. The next prime is 38267039. The reversal of 38267028 is 82076283.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 25220484 + 13046544 = 5022^2 + 3612^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a zygodrome in base 3.
It is a junction number, because it is equal to n+sod(n) for n = 38266983 and 38267001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38267027) 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, 13033 + ... + 15696.
Almost surely, 238267028 is an apocalyptic number.
It is an amenable number.
38267028 is an abundant number, since it is smaller than the sum of its proper divisors (61081312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38267028 is a wasteful number, since it uses less digits than its factorization.
38267028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28776 (or 28771 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 38267028 is about 6186.0349174572. The cubic root of 38267028 is about 336.9831958678.
The spelling of 38267028 in words is "thirty-eight million, two hundred sixty-seven thousand, twenty-eight".
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