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17028739 = 713187129
BaseRepresentation
bin100000011110…
…1011010000011
31012001011001001
41000331122003
513324404424
61404552431
7264512320
oct100753203
935034031
1017028739
119680a42
125852717
1336b2ba0
142393b47
151765844
hex103d683

17028739 has 8 divisors (see below), whose sum is σ = 20958560. Its totient is φ = 13473216.

The previous prime is 17028733. The next prime is 17028749. The reversal of 17028739 is 93782071.

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 17028739 - 29 = 17028227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17028698 and 17028707.

It is not an unprimeable number, because it can be changed into a prime (17028733) 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, 93474 + ... + 93655.

It is an arithmetic number, because the mean of its divisors is an integer number (2619820).

Almost surely, 217028739 is an apocalyptic number.

17028739 is a deficient number, since it is larger than the sum of its proper divisors (3929821).

17028739 is a wasteful number, since it uses less digits than its factorization.

17028739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187149.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 17028739 is about 4126.5892696027. The cubic root of 17028739 is about 257.2729717316.

The spelling of 17028739 in words is "seventeen million, twenty-eight thousand, seven hundred thirty-nine".

Divisors: 1 7 13 91 187129 1309903 2432677 17028739