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16085040 = 243567021
BaseRepresentation
bin111101010111…
…000000110000
31010021012112020
4331113000300
513104210130
61332431440
7253502106
oct75270060
933235466
1016085040
119096a24
125478580
13344249a
1421c9c76
15162ae10
hexf57030

16085040 has 40 divisors (see below), whose sum is σ = 49864368. Its totient is φ = 4289280.

The previous prime is 16084969. The next prime is 16085051. The reversal of 16085040 is 4058061.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 16085040.

It is an unprimeable number.

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, 33271 + ... + 33750.

Almost surely, 216085040 is an apocalyptic number.

16085040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16085040 is an abundant number, since it is smaller than the sum of its proper divisors (33779328).

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

16085040 is a wasteful number, since it uses less digits than its factorization.

16085040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67037 (or 67031 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 16085040 is about 4010.6159127994. The cubic root of 16085040 is about 252.4298534028.

The spelling of 16085040 in words is "sixteen million, eighty-five thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 67021 134042 201063 268084 335105 402126 536168 670210 804252 1005315 1072336 1340420 1608504 2010630 2680840 3217008 4021260 5361680 8042520 16085040