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16270985 = 54375679
BaseRepresentation
bin111110000100…
…011010001001
31010121122121002
4332010122021
513131132420
61340424345
7255205163
oct76043211
933548532
1016270985
1192036a5
1255480b5
1334a9003
142237933
151666075
hexf84689

16270985 has 8 divisors (see below), whose sum is σ = 19979520. Its totient is φ = 12713904.

The previous prime is 16270979. The next prime is 16270993. The reversal of 16270985 is 58907261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16270985 - 210 = 16269961 is a prime.

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, 37625 + ... + 38054.

It is an arithmetic number, because the mean of its divisors is an integer number (2497440).

Almost surely, 216270985 is an apocalyptic number.

It is an amenable number.

16270985 is a deficient number, since it is larger than the sum of its proper divisors (3708535).

16270985 is an equidigital number, since it uses as much as digits as its factorization.

16270985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75727.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 16270985 is about 4033.7309032706. The cubic root of 16270985 is about 253.3988355937.

The spelling of 16270985 in words is "sixteen million, two hundred seventy thousand, nine hundred eighty-five".

Divisors: 1 5 43 215 75679 378395 3254197 16270985