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15147 = 341117
BaseRepresentation
bin11101100101011
3202210000
43230223
5441042
6154043
762106
oct35453
922700
1015147
1110420
128923
136b82
14573d
15474c
hex3b2b

15147 has 20 divisors (see below), whose sum is σ = 26136. Its totient is φ = 8640.

The previous prime is 15139. The next prime is 15149. The reversal of 15147 is 74151.

15147 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 15147 - 23 = 15139 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 15147.

It is not an unprimeable number, because it can be changed into a prime (15149) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 883 + ... + 899.

215147 is an apocalyptic number.

15147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

15147 is a deficient number, since it is larger than the sum of its proper divisors (10989).

15147 is a wasteful number, since it uses less digits than its factorization.

15147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40 (or 31 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 15147 is about 123.0731489806. The cubic root of 15147 is about 24.7424219224.

Subtracting from 15147 its sum of digits (18), we obtain a square (15129 = 1232).

Adding to 15147 its reverse (74151), we get a palindrome (89298).

It can be divided in two parts, 1514 and 7, that added together give a square (1521 = 392).

The spelling of 15147 in words is "fifteen thousand, one hundred forty-seven".

Divisors: 1 3 9 11 17 27 33 51 81 99 153 187 297 459 561 891 1377 1683 5049 15147