Base | Representation |
---|---|
bin | 1001000111101… |
… | …0010001001001 |
3 | 2122222021111211 |
4 | 2101322101021 |
5 | 34242441140 |
6 | 3443453121 |
7 | 643054465 |
oct | 221722111 |
9 | 78867454 |
10 | 38249545 |
11 | 1a6554a4 |
12 | 109871a1 |
13 | 7c02b89 |
14 | 51194a5 |
15 | 35582ea |
hex | 247a449 |
38249545 has 8 divisors (see below), whose sum is σ = 46066824. Its totient is φ = 30488064.
The previous prime is 38249531. The next prime is 38249551. The reversal of 38249545 is 54594283.
It can be written as a sum of positive squares in 4 ways, for example, as 2105401 + 36144144 = 1451^2 + 6012^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38249545 - 211 = 38247497 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38249498 and 38249507.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12424 + ... + 15193.
It is an arithmetic number, because the mean of its divisors is an integer number (5758353).
Almost surely, 238249545 is an apocalyptic number.
It is an amenable number.
38249545 is a deficient number, since it is larger than the sum of its proper divisors (7817279).
38249545 is a wasteful number, since it uses less digits than its factorization.
38249545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27899.
The product of its digits is 172800, while the sum is 40.
The square root of 38249545 is about 6184.6216537473. The cubic root of 38249545 is about 336.9318690471.
The spelling of 38249545 in words is "thirty-eight million, two hundred forty-nine thousand, five hundred forty-five".
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