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17068493 = 13317457
BaseRepresentation
bin100000100011…
…1000111001101
31012010011120102
41001013013031
513332142433
61405500445
7265036241
oct101070715
935104512
1017068493
1196a88a2
125871725
1336c8000
1423a4421
1517724e8
hex10471cd

17068493 has 16 divisors (see below), whose sum is σ = 19620720. Its totient is φ = 14796288.

The previous prime is 17068489. The next prime is 17068511. The reversal of 17068493 is 39486071.

It can be written as a sum of positive squares in 8 ways, for example, as 5866084 + 11202409 = 2422^2 + 3347^2 .

It is not a de Polignac number, because 17068493 - 22 = 17068489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17068483) 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 15 ways as a sum of consecutive naturals, for example, 37121 + ... + 37577.

It is an arithmetic number, because the mean of its divisors is an integer number (1226295).

Almost surely, 217068493 is an apocalyptic number.

17068493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

17068493 is a deficient number, since it is larger than the sum of its proper divisors (2552227).

17068493 is an equidigital number, since it uses as much as digits as its factorization.

17068493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 17068493 is about 4131.4032724971. The cubic root of 17068493 is about 257.4730194498.

The spelling of 17068493 in words is "seventeen million, sixty-eight thousand, four hundred ninety-three".

Divisors: 1 13 17 169 221 457 2197 2873 5941 7769 37349 77233 100997 1004029 1312961 17068493