Base | Representation |
---|---|
bin | 1001010000010… |
… | …0011001011101 |
3 | 2201001000121122 |
4 | 2110010121131 |
5 | 34414042300 |
6 | 3503540325 |
7 | 650632133 |
oct | 224043135 |
9 | 81030548 |
10 | 38815325 |
11 | 1aa0158a |
12 | 10bba6a5 |
13 | 8070563 |
14 | 5225753 |
15 | 361ac85 |
hex | 250465d |
38815325 has 6 divisors (see below), whose sum is σ = 48131034. Its totient is φ = 31052240.
The previous prime is 38815321. The next prime is 38815351. The reversal of 38815325 is 52351883.
It can be written as a sum of positive squares in 3 ways, for example, as 14884 + 38800441 = 122^2 + 6229^2 .
It is not a de Polignac number, because 38815325 - 22 = 38815321 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38815321) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 776282 + ... + 776331.
It is an arithmetic number, because the mean of its divisors is an integer number (8021839).
Almost surely, 238815325 is an apocalyptic number.
It is an amenable number.
38815325 is a deficient number, since it is larger than the sum of its proper divisors (9315709).
38815325 is a wasteful number, since it uses less digits than its factorization.
38815325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1552623 (or 1552618 counting only the distinct ones).
The product of its digits is 28800, while the sum is 35.
The square root of 38815325 is about 6230.1946197531. The cubic root of 38815325 is about 338.5850219925.
The spelling of 38815325 in words is "thirty-eight million, eight hundred fifteen thousand, three hundred twenty-five".
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