Base | Representation |
---|---|
bin | 1001000110000… |
… | …1101111101001 |
3 | 2122210011201112 |
4 | 2101201233221 |
5 | 34231232342 |
6 | 3441400105 |
7 | 642155600 |
oct | 221415751 |
9 | 78704645 |
10 | 38149097 |
11 | 1a596a88 |
12 | 10939035 |
13 | 7b9923c |
14 | 50d0a37 |
15 | 3538682 |
hex | 2461be9 |
38149097 has 6 divisors (see below), whose sum is σ = 44377578. Its totient is φ = 32699184.
The previous prime is 38149091. The next prime is 38149099. The reversal of 38149097 is 79094183.
It is a happy number.
38149097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 30426256 + 7722841 = 5516^2 + 2779^2 .
It is not a de Polignac number, because 38149097 - 224 = 21371881 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38149091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389228 + ... + 389325.
It is an arithmetic number, because the mean of its divisors is an integer number (7396263).
Almost surely, 238149097 is an apocalyptic number.
It is an amenable number.
38149097 is a deficient number, since it is larger than the sum of its proper divisors (6228481).
38149097 is an equidigital number, since it uses as much as digits as its factorization.
38149097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 778567 (or 778560 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 38149097 is about 6176.4955274006. The cubic root of 38149097 is about 336.6366690043.
The spelling of 38149097 in words is "thirty-eight million, one hundred forty-nine thousand, ninety-seven".
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