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17146990 = 257244957
BaseRepresentation
bin100000101101…
…0010001101110
31012021011020201
41001122101232
513342200430
61411304114
7265514140
oct101322156
935234221
1017146990
119751873
1258ab03a
133724963
1423c4c90
15178a8ca
hex105a46e

17146990 has 16 divisors (see below), whose sum is σ = 35273952. Its totient is φ = 5878944.

The previous prime is 17146967. The next prime is 17146991. The reversal of 17146990 is 9964171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17146991) 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, 122409 + ... + 122548.

It is an arithmetic number, because the mean of its divisors is an integer number (2204622).

Almost surely, 217146990 is an apocalyptic number.

17146990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17146990 is an abundant number, since it is smaller than the sum of its proper divisors (18126962).

17146990 is a wasteful number, since it uses less digits than its factorization.

17146990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244971.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 17146990 is about 4140.8924158930. The cubic root of 17146990 is about 257.8671170360.

The spelling of 17146990 in words is "seventeen million, one hundred forty-six thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 244957 489914 1224785 1714699 2449570 3429398 8573495 17146990