Search a number
-
+
15225241 = 233717891
BaseRepresentation
bin111010000101…
…000110011001
31001122112002211
4322011012121
512344201431
61302155121
7243261313
oct72050631
931575084
1015225241
118659a49
125122aa1
133201025
1420447b3
15150b2b1
hexe85199

15225241 has 8 divisors (see below), whose sum is σ = 16317504. Its totient is φ = 14168880.

The previous prime is 15225239. The next prime is 15225253. The reversal of 15225241 is 14252251.

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 15225241 - 21 = 15225239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15225941) 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 7 ways as a sum of consecutive naturals, for example, 8095 + ... + 9796.

It is an arithmetic number, because the mean of its divisors is an integer number (2039688).

Almost surely, 215225241 is an apocalyptic number.

It is an amenable number.

15225241 is a deficient number, since it is larger than the sum of its proper divisors (1092263).

15225241 is a wasteful number, since it uses less digits than its factorization.

15225241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17951.

The product of its digits is 800, while the sum is 22.

The square root of 15225241 is about 3901.9534851149. The cubic root of 15225241 is about 247.8495065529.

Adding to 15225241 its reverse (14252251), we get a palindrome (29477492).

The spelling of 15225241 in words is "fifteen million, two hundred twenty-five thousand, two hundred forty-one".

Divisors: 1 23 37 851 17891 411493 661967 15225241