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16728090 = 2353171759
BaseRepresentation
bin111111110100…
…000000011010
31011110212121220
4333310000122
513240244330
61354312510
7262120641
oct77640032
934425556
1016728090
119496075
125728736
1336090a2
142316358
151706710
hexff401a

16728090 has 32 divisors (see below), whose sum is σ = 40296960. Its totient is φ = 4444224.

The previous prime is 16728083. The next prime is 16728109. The reversal of 16728090 is 9082761.

16728090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8631 + ... + 10389.

It is an arithmetic number, because the mean of its divisors is an integer number (1259280).

Almost surely, 216728090 is an apocalyptic number.

16728090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16728090 is an abundant number, since it is smaller than the sum of its proper divisors (23568870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16728090 is a wasteful number, since it uses less digits than its factorization.

16728090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 16728090 is about 4089.9987775059. The cubic root of 16728090 is about 255.7498879629.

The spelling of 16728090 in words is "sixteen million, seven hundred twenty-eight thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 317 634 951 1585 1759 1902 3170 3518 4755 5277 8795 9510 10554 17590 26385 52770 557603 1115206 1672809 2788015 3345618 5576030 8364045 16728090