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16280268 = 2231356689
BaseRepresentation
bin111110000110…
…101011001100
31010122010022220
4332012223030
513131432033
61340535340
7255244224
oct76065314
933563286
1016280268
11920a674
125551550
1334b02c4
14223b084
151668bb3
hexf86acc

16280268 has 12 divisors (see below), whose sum is σ = 37987320. Its totient is φ = 5426752.

The previous prime is 16280233. The next prime is 16280269. The reversal of 16280268 is 86208261.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (16280269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678333 + ... + 678356.

It is an arithmetic number, because the mean of its divisors is an integer number (3165610).

Almost surely, 216280268 is an apocalyptic number.

It is an amenable number.

16280268 is an abundant number, since it is smaller than the sum of its proper divisors (21707052).

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

16280268 is a wasteful number, since it uses less digits than its factorization.

16280268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356696 (or 1356694 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 16280268 is about 4034.8814108967. The cubic root of 16280268 is about 253.4470165363.

The spelling of 16280268 in words is "sixteen million, two hundred eighty thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 1356689 2713378 4070067 5426756 8140134 16280268