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15338041 = 53289397
BaseRepresentation
bin111010100000…
…101000111001
31001212020211121
4322200220321
512411304131
61304425241
7244241215
oct72405071
931766747
1015338041
118726774
125178221
133240484
142073945
15152e911
hexea0a39

15338041 has 4 divisors (see below), whose sum is σ = 15627492. Its totient is φ = 15048592.

The previous prime is 15338009. The next prime is 15338051. The reversal of 15338041 is 14083351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14083351 = 19741229.

It can be written as a sum of positive squares in 2 ways, for example, as 11417641 + 3920400 = 3379^2 + 1980^2 .

It is a cyclic number.

It is not a de Polignac number, because 15338041 - 25 = 15338009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15337997 and 15338015.

It is not an unprimeable number, because it can be changed into a prime (15338051) 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 3 ways as a sum of consecutive naturals, for example, 144646 + ... + 144751.

It is an arithmetic number, because the mean of its divisors is an integer number (3906873).

Almost surely, 215338041 is an apocalyptic number.

It is an amenable number.

15338041 is a deficient number, since it is larger than the sum of its proper divisors (289451).

15338041 is an equidigital number, since it uses as much as digits as its factorization.

15338041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289450.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 15338041 is about 3916.3811101577. The cubic root of 15338041 is about 248.4600861366.

The spelling of 15338041 in words is "fifteen million, three hundred thirty-eight thousand, forty-one".

Divisors: 1 53 289397 15338041