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13242041 = 373171129
BaseRepresentation
bin110010100000…
…111010111001
3220220202122222
4302200322321
511342221131
61151453425
7220361351
oct62407271
926822588
1013242041
117524a3a
124527275
132988437
141a89b61
15126887b
hexca0eb9

13242041 has 8 divisors (see below), whose sum is σ = 13654920. Its totient is φ = 12832128.

The previous prime is 13242037. The next prime is 13242049. The reversal of 13242041 is 14024231.

13242041 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 4 ways, for example, as 137641 + 13104400 = 371^2 + 3620^2 .

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 13242041 - 22 = 13242037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13242049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11165 + ... + 12293.

It is an arithmetic number, because the mean of its divisors is an integer number (1706865).

Almost surely, 213242041 is an apocalyptic number.

It is an amenable number.

13242041 is a deficient number, since it is larger than the sum of its proper divisors (412879).

13242041 is a wasteful number, since it uses less digits than its factorization.

13242041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 13242041 is about 3638.9615276889. The cubic root of 13242041 is about 236.5837852565.

Adding to 13242041 its reverse (14024231), we get a palindrome (27266272).

The spelling of 13242041 in words is "thirteen million, two hundred forty-two thousand, forty-one".

Divisors: 1 37 317 1129 11729 41773 357893 13242041