[go: up one dir, main page]

Search a number
-
+
15201241 = 112236197
BaseRepresentation
bin111001111111…
…001111011001
31001121022011221
4321333033121
512342414431
61301452041
7243131326
oct71771731
931538157
1015201241
118642a10
125111021
1331c3123
142039b4d
151504111
hexe7f3d9

15201241 has 8 divisors (see below), whose sum is σ = 16660224. Its totient is φ = 13755120.

The previous prime is 15201233. The next prime is 15201271. The reversal of 15201241 is 14210251.

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 15201241 - 23 = 15201233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15201271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646 + ... + 5551.

It is an arithmetic number, because the mean of its divisors is an integer number (2082528).

Almost surely, 215201241 is an apocalyptic number.

15201241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15201241 is a deficient number, since it is larger than the sum of its proper divisors (1458983).

15201241 is a wasteful number, since it uses less digits than its factorization.

15201241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 15201241 is about 3898.8768895670. The cubic root of 15201241 is about 247.7192072156.

Adding to 15201241 its reverse (14210251), we get a palindrome (29411492).

The spelling of 15201241 in words is "fifteen million, two hundred one thousand, two hundred forty-one".

Divisors: 1 11 223 2453 6197 68167 1381931 15201241