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16525085 = 53305017
BaseRepresentation
bin111111000010…
…011100011101
31011002120011012
4333002130131
513212300320
61350105005
7260314043
oct77023435
934076135
1016525085
1193675a5
12564b165
133567875
1422a2393
1516b64c5
hexfc271d

16525085 has 4 divisors (see below), whose sum is σ = 19830108. Its totient is φ = 13220064.

The previous prime is 16525073. The next prime is 16525097. The reversal of 16525085 is 58052561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58052561 = 78293223.

It is an interprime number because it is at equal distance from previous prime (16525073) and next prime (16525097).

It can be written as a sum of positive squares in 2 ways, for example, as 9012004 + 7513081 = 3002^2 + 2741^2 .

It is a cyclic number.

It is not a de Polignac number, because 16525085 - 216 = 16459549 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, 1652504 + ... + 1652513.

It is an arithmetic number, because the mean of its divisors is an integer number (4957527).

Almost surely, 216525085 is an apocalyptic number.

It is an amenable number.

16525085 is a deficient number, since it is larger than the sum of its proper divisors (3305023).

16525085 is an equidigital number, since it uses as much as digits as its factorization.

16525085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305022.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 16525085 is about 4065.1057796815. The cubic root of 16525085 is about 254.7111171721.

The spelling of 16525085 in words is "sixteen million, five hundred twenty-five thousand, eighty-five".

Divisors: 1 5 3305017 16525085