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16086940 = 2255913633
BaseRepresentation
bin111101010111…
…011110011100
31010021022010121
4331113132130
513104240230
61332444324
7253510462
oct75273634
933238117
1016086940
1190983a1
1254796a4
1334432cc
1421ca832
15162b77a
hexf5779c

16086940 has 24 divisors (see below), whose sum is σ = 34357680. Its totient is φ = 6325248.

The previous prime is 16086911. The next prime is 16086949. The reversal of 16086940 is 4968061.

It is a junction number, because it is equal to n+sod(n) for n = 16086896 and 16086905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16086949) 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, 5637 + ... + 7996.

It is an arithmetic number, because the mean of its divisors is an integer number (1431570).

Almost surely, 216086940 is an apocalyptic number.

16086940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16086940 is an abundant number, since it is smaller than the sum of its proper divisors (18270740).

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

16086940 is a wasteful number, since it uses less digits than its factorization.

16086940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13701 (or 13699 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 16086940 is about 4010.8527771535. The cubic root of 16086940 is about 252.4397921997.

The spelling of 16086940 in words is "sixteen million, eighty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 13633 27266 54532 68165 136330 272660 804347 1608694 3217388 4021735 8043470 16086940