Search a number
-
+
15143113 = 142910597
BaseRepresentation
bin111001110001…
…000011001001
31001111100110001
4321301003021
512334034423
61300323001
7242500006
oct71610311
931440401
1015143113
118603277
1250a3461
1331a282b
1420228ad
1514e1cad
hexe710c9

15143113 has 4 divisors (see below), whose sum is σ = 15155140. Its totient is φ = 15131088.

The previous prime is 15143041. The next prime is 15143123. The reversal of 15143113 is 31134151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31134151 = 259312007.

It can be written as a sum of positive squares in 2 ways, for example, as 725904 + 14417209 = 852^2 + 3797^2 .

It is a cyclic number.

It is not a de Polignac number, because 15143113 - 213 = 15134921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15143123) 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, 3870 + ... + 6727.

It is an arithmetic number, because the mean of its divisors is an integer number (3788785).

Almost surely, 215143113 is an apocalyptic number.

It is an amenable number.

15143113 is a deficient number, since it is larger than the sum of its proper divisors (12027).

15143113 is a wasteful number, since it uses less digits than its factorization.

15143113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12026.

The product of its digits is 180, while the sum is 19.

The square root of 15143113 is about 3891.4152952364. The cubic root of 15143113 is about 247.4030528713.

Adding to 15143113 its reverse (31134151), we get a palindrome (46277264).

It can be divided in two parts, 151 and 43113, that added together give a square (43264 = 2082).

The spelling of 15143113 in words is "fifteen million, one hundred forty-three thousand, one hundred thirteen".

Divisors: 1 1429 10597 15143113