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16290485 = 53258097
BaseRepresentation
bin111110001001…
…001010110101
31010122122100022
4332021022311
513132243420
61341054525
7255316061
oct76111265
933578308
1016290485
119217312
125557445
1334b4b53
142240aa1
15166bc25
hexf892b5

16290485 has 4 divisors (see below), whose sum is σ = 19548588. Its totient is φ = 13032384.

The previous prime is 16290473. The next prime is 16290497. The reversal of 16290485 is 58409261.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16290473) and next prime (16290497).

It can be written as a sum of positive squares in 2 ways, for example, as 3659569 + 12630916 = 1913^2 + 3554^2 .

It is a cyclic number.

It is not a de Polignac number, because 16290485 - 28 = 16290229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1629044 + ... + 1629053.

It is an arithmetic number, because the mean of its divisors is an integer number (4887147).

Almost surely, 216290485 is an apocalyptic number.

It is an amenable number.

16290485 is a deficient number, since it is larger than the sum of its proper divisors (3258103).

16290485 is an equidigital number, since it uses as much as digits as its factorization.

16290485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258102.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 16290485 is about 4036.1472966184. The cubic root of 16290485 is about 253.5000239902.

The spelling of 16290485 in words is "sixteen million, two hundred ninety thousand, four hundred eighty-five".

Divisors: 1 5 3258097 16290485