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17149047 = 319729017
BaseRepresentation
bin100000101101…
…0110001110111
31012021021001220
41001122301313
513342232142
61411321423
7265523136
oct101326167
935237056
1017149047
119753373
1258b0273
133725886
1423c591d
15178b2ec
hex105ac77

17149047 has 8 divisors (see below), whose sum is σ = 22982256. Its totient is φ = 11374272.

The previous prime is 17149037. The next prime is 17149081. The reversal of 17149047 is 74094171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17149047 - 210 = 17148023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17148999 and 17149017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17149037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13918 + ... + 15099.

It is an arithmetic number, because the mean of its divisors is an integer number (2872782).

Almost surely, 217149047 is an apocalyptic number.

17149047 is a deficient number, since it is larger than the sum of its proper divisors (5833209).

17149047 is a wasteful number, since it uses less digits than its factorization.

17149047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29217.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 17149047 is about 4141.1407848563. The cubic root of 17149047 is about 257.8774281061.

The spelling of 17149047 in words is "seventeen million, one hundred forty-nine thousand, forty-seven".

Divisors: 1 3 197 591 29017 87051 5716349 17149047