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16216027 = 37438271
BaseRepresentation
bin111101110110…
…111111011011
31010111212012121
4331312333123
513122403102
61335322111
7254556022
oct75667733
933455177
1016216027
119176383
125520337
133489ca9
1422218b9
151654b37
hexf76fdb

16216027 has 4 divisors (see below), whose sum is σ = 16654336. Its totient is φ = 15777720.

The previous prime is 16216019. The next prime is 16216037. The reversal of 16216027 is 72061261.

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

It is a cyclic number.

It is not a de Polignac number, because 16216027 - 23 = 16216019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16215992 and 16216010.

It is not an unprimeable number, because it can be changed into a prime (16216037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219099 + ... + 219172.

It is an arithmetic number, because the mean of its divisors is an integer number (4163584).

Almost surely, 216216027 is an apocalyptic number.

16216027 is a deficient number, since it is larger than the sum of its proper divisors (438309).

16216027 is an equidigital number, since it uses as much as digits as its factorization.

16216027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438308.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 16216027 is about 4026.9128373979. The cubic root of 16216027 is about 253.1132146522.

Adding to 16216027 its reverse (72061261), we get a palindrome (88277288).

The spelling of 16216027 in words is "sixteen million, two hundred sixteen thousand, twenty-seven".

Divisors: 1 37 438271 16216027