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17147 = 131319
BaseRepresentation
bin100001011111011
3212112002
410023323
51022042
6211215
7100664
oct41373
925462
1017147
1111979
129b0b
137a60
14636b
155132
hex42fb

17147 has 4 divisors (see below), whose sum is σ = 18480. Its totient is φ = 15816.

The previous prime is 17137. The next prime is 17159. The reversal of 17147 is 74171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74171 = 174363.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-17147 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 17147.

It is not an unprimeable number, because it can be changed into a prime (17107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (4620).

217147 is an apocalyptic number.

17147 is a deficient number, since it is larger than the sum of its proper divisors (1333).

17147 is a wasteful number, since it uses less digits than its factorization.

17147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332.

The product of its digits is 196, while the sum is 20.

The square root of 17147 is about 130.9465539829. The cubic root of 17147 is about 25.7867167165.

The spelling of 17147 in words is "seventeen thousand, one hundred forty-seven", and thus it is an iban number.

Divisors: 1 13 1319 17147