Search a number
-
+
16271485 = 54577121
BaseRepresentation
bin111110000100…
…100001111101
31010121200021121
4332010201331
513131141420
61340430541
7255206506
oct76044175
933550247
1016271485
11920400a
125548451
1334a92c9
142237bad
1516662aa
hexf8487d

16271485 has 8 divisors (see below), whose sum is σ = 19571256. Its totient is φ = 12986880.

The previous prime is 16271483. The next prime is 16271503. The reversal of 16271485 is 58417261.

It can be written as a sum of positive squares in 4 ways, for example, as 700569 + 15570916 = 837^2 + 3946^2 .

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

It is not a de Polignac number, because 16271485 - 21 = 16271483 is a prime.

It is a super-2 number, since 2×162714852 = 529522448210450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16271485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16271483) 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 7 ways as a sum of consecutive naturals, for example, 1276 + ... + 5845.

It is an arithmetic number, because the mean of its divisors is an integer number (2446407).

Almost surely, 216271485 is an apocalyptic number.

It is an amenable number.

16271485 is a deficient number, since it is larger than the sum of its proper divisors (3299771).

16271485 is an equidigital number, since it uses as much as digits as its factorization.

16271485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7583.

The product of its digits is 13440, while the sum is 34.

The square root of 16271485 is about 4033.7928801563. The cubic root of 16271485 is about 253.4014311776.

The spelling of 16271485 in words is "sixteen million, two hundred seventy-one thousand, four hundred eighty-five".

Divisors: 1 5 457 2285 7121 35605 3254297 16271485