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17128055 = 572292137
BaseRepresentation
bin100000101010…
…1101001110111
31012020012021102
41001111221313
513341044210
61411040315
7265405010
oct101255167
935205242
1017128055
11973961a
1258a009b
133719159
1423bc007
151784ea5
hex1055a77

17128055 has 16 divisors (see below), whose sum is σ = 23603520. Its totient is φ = 11688192.

The previous prime is 17128049. The next prime is 17128079. The reversal of 17128055 is 55082171.

It is a cyclic number.

It is not a de Polignac number, because 17128055 - 24 = 17128039 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6947 + ... + 9083.

It is an arithmetic number, because the mean of its divisors is an integer number (1475220).

Almost surely, 217128055 is an apocalyptic number.

17128055 is a deficient number, since it is larger than the sum of its proper divisors (6475465).

17128055 is a wasteful number, since it uses less digits than its factorization.

17128055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 17128055 is about 4138.6054414501. The cubic root of 17128055 is about 257.7721633006.

The spelling of 17128055 in words is "seventeen million, one hundred twenty-eight thousand, fifty-five".

Divisors: 1 5 7 35 229 1145 1603 2137 8015 10685 14959 74795 489373 2446865 3425611 17128055