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16939030 = 259971699
BaseRepresentation
bin100000010011…
…1100000010110
31011212120222111
41000213200112
513314022110
61403021234
7263656633
oct100474026
934776874
1016939030
11961a5a9
12580a81a
1336810c4
14236d18a
151748e8a
hex1027816

16939030 has 16 divisors (see below), whose sum is σ = 30538800. Its totient is φ = 6764832.

The previous prime is 16939001. The next prime is 16939037. The reversal of 16939030 is 3093961.

It is a junction number, because it is equal to n+sod(n) for n = 16938983 and 16939001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16939037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9121 + ... + 10819.

It is an arithmetic number, because the mean of its divisors is an integer number (1908675).

Almost surely, 216939030 is an apocalyptic number.

16939030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16939030 is a deficient number, since it is larger than the sum of its proper divisors (13599770).

16939030 is a wasteful number, since it uses less digits than its factorization.

16939030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 16939030 is about 4115.7052858532. The cubic root of 16939030 is about 256.8203966518.

The spelling of 16939030 in words is "sixteen million, nine hundred thirty-nine thousand, thirty".

Divisors: 1 2 5 10 997 1699 1994 3398 4985 8495 9970 16990 1693903 3387806 8469515 16939030