Base | Representation |
---|---|
bin | 1001000100110… |
… | …0000101110101 |
3 | 2122121200001122 |
4 | 2101030011311 |
5 | 34220413110 |
6 | 3435433325 |
7 | 641336165 |
oct | 221140565 |
9 | 78550048 |
10 | 38060405 |
11 | 1a536389 |
12 | 108b5845 |
13 | 7b67a66 |
14 | 50aa5a5 |
15 | 351c255 |
hex | 244c175 |
38060405 has 18 divisors (see below), whose sum is σ = 47729538. Its totient is φ = 29135040.
The previous prime is 38060371. The next prime is 38060417. The reversal of 38060405 is 50406083.
It can be written as a sum of positive squares in 3 ways, for example, as 3844 + 38056561 = 62^2 + 6169^2 .
It is not a de Polignac number, because 38060405 - 212 = 38056309 is a prime.
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
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 17 ways as a sum of consecutive naturals, for example, 427601 + ... + 427689.
It is an arithmetic number, because the mean of its divisors is an integer number (2651641).
Almost surely, 238060405 is an apocalyptic number.
It is an amenable number.
38060405 is a deficient number, since it is larger than the sum of its proper divisors (9669133).
38060405 is an frugal number, since it uses more digits than its factorization.
38060405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245 (or 125 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 38060405 is about 6169.3115499219. The cubic root of 38060405 is about 336.3755868322.
Multiplying 38060405 by its product of nonzero digits (2880), we get a square (109613966400 = 3310802).
Adding to 38060405 its reverse (50406083), we get a palindrome (88466488).
The spelling of 38060405 in words is "thirty-eight million, sixty thousand, four hundred five".
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