Base | Representation |
---|---|
bin | 1001001011010… |
… | …1111010011001 |
3 | 2200102200122010 |
4 | 2102311322121 |
5 | 34323300344 |
6 | 3453020133 |
7 | 645122652 |
oct | 222657231 |
9 | 80380563 |
10 | 38493849 |
11 | 1a801aa9 |
12 | 10a84649 |
13 | 7c8a134 |
14 | 5180529 |
15 | 35a58b9 |
hex | 24b5e99 |
38493849 has 16 divisors (see below), whose sum is σ = 52448832. Its totient is φ = 25106688.
The previous prime is 38493841. The next prime is 38493863. The reversal of 38493849 is 94839483.
It is not a de Polignac number, because 38493849 - 23 = 38493841 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38493798 and 38493807.
It is not an unprimeable number, because it can be changed into a prime (38493841) 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, 29362 + ... + 30644.
It is an arithmetic number, because the mean of its divisors is an integer number (3278052).
Almost surely, 238493849 is an apocalyptic number.
It is an amenable number.
38493849 is a deficient number, since it is larger than the sum of its proper divisors (13954983).
38493849 is a wasteful number, since it uses less digits than its factorization.
38493849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1496.
The product of its digits is 746496, while the sum is 48.
The square root of 38493849 is about 6204.3411414912. The cubic root of 38493849 is about 337.6476873528.
The spelling of 38493849 in words is "thirty-eight million, four hundred ninety-three thousand, eight hundred forty-nine".
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