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16015085 = 53203017
BaseRepresentation
bin111101000101…
…111011101101
31010010122120022
4331011323231
513044440320
61331131525
7253061132
oct75057355
933118508
1016015085
119049409
125443ba5
1334196a8
1421ac589
151615325
hexf45eed

16015085 has 4 divisors (see below), whose sum is σ = 19218108. Its totient is φ = 12812064.

The previous prime is 16015079. The next prime is 16015093. The reversal of 16015085 is 58051061.

16015085 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58051061 = 193055319.

It can be written as a sum of positive squares in 2 ways, for example, as 11095561 + 4919524 = 3331^2 + 2218^2 .

It is a cyclic number.

It is not a de Polignac number, because 16015085 - 28 = 16014829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601504 + ... + 1601513.

It is an arithmetic number, because the mean of its divisors is an integer number (4804527).

Almost surely, 216015085 is an apocalyptic number.

It is an amenable number.

16015085 is a deficient number, since it is larger than the sum of its proper divisors (3203023).

16015085 is an equidigital number, since it uses as much as digits as its factorization.

16015085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203022.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 16015085 is about 4001.8851807617. The cubic root of 16015085 is about 252.0633763921.

The spelling of 16015085 in words is "sixteen million, fifteen thousand, eighty-five".

Divisors: 1 5 3203017 16015085