Base | Representation |
---|---|
bin | 1001001110001… |
… | …0000100111101 |
3 | 2200202212210010 |
4 | 2103202010331 |
5 | 34400042444 |
6 | 3500533433 |
7 | 646505241 |
oct | 223420475 |
9 | 80685703 |
10 | 38674749 |
11 | 1a915a03 |
12 | 10b51279 |
13 | 8021589 |
14 | 51ca421 |
15 | 35de2b9 |
hex | 24e213d |
38674749 has 16 divisors (see below), whose sum is σ = 53194752. Its totient is φ = 24980208.
The previous prime is 38674729. The next prime is 38674771. The reversal of 38674749 is 94747683.
It is a happy number.
It is not a de Polignac number, because 38674749 - 216 = 38609213 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38674698 and 38674707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38674729) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13192 + ... + 15854.
It is an arithmetic number, because the mean of its divisors is an integer number (3324672).
Almost surely, 238674749 is an apocalyptic number.
It is an amenable number.
38674749 is a deficient number, since it is larger than the sum of its proper divisors (14520003).
38674749 is a wasteful number, since it uses less digits than its factorization.
38674749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2816.
The product of its digits is 1016064, while the sum is 48.
The square root of 38674749 is about 6218.9025559177. The cubic root of 38674749 is about 338.1757806774.
The spelling of 38674749 in words is "thirty-eight million, six hundred seventy-four thousand, seven hundred forty-nine".
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