Base | Representation |
---|---|
bin | 1001001110000… |
… | …0100111010000 |
3 | 2200202120120000 |
4 | 2103200213100 |
5 | 34344400002 |
6 | 3500450000 |
7 | 646451613 |
oct | 223404720 |
9 | 80676500 |
10 | 38668752 |
11 | 1a911451 |
12 | 10b49900 |
13 | 801b925 |
14 | 51c817a |
15 | 35dc61c |
hex | 24e09d0 |
38668752 has 50 divisors (see below), whose sum is σ = 111922338. Its totient is φ = 12889152.
The previous prime is 38668723. The next prime is 38668753. The reversal of 38668752 is 25786683.
It can be written as a sum of positive squares in only one way, i.e., 23270976 + 15397776 = 4824^2 + 3924^2 .
It is a junction number, because it is equal to n+sod(n) for n = 38668698 and 38668707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38668753) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13623 + ... + 16214.
Almost surely, 238668752 is an apocalyptic number.
It is an amenable number.
38668752 is an abundant number, since it is smaller than the sum of its proper divisors (73253586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38668752 is a wasteful number, since it uses less digits than its factorization.
38668752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29857 (or 29842 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The square root of 38668752 is about 6218.4203781990. The cubic root of 38668752 is about 338.1583003227.
The spelling of 38668752 in words is "thirty-eight million, six hundred sixty-eight thousand, seven hundred fifty-two".
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