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16270427 = 19782591
BaseRepresentation
bin111110000100…
…010001011011
31010121121211102
4332010101123
513131123202
61340422015
7255203435
oct76042133
933547742
1016270427
119203238
12554790b
1334a8994
142237655
151665d02
hexf8445b

16270427 has 4 divisors (see below), whose sum is σ = 16353216. Its totient is φ = 16187640.

The previous prime is 16270391. The next prime is 16270433. The reversal of 16270427 is 72407261.

16270427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72407261 = 371956953.

It is a cyclic number.

It is not a de Polignac number, because 16270427 - 210 = 16269403 is a prime.

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 16270427.

It is not an unprimeable number, because it can be changed into a prime (16270447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41099 + ... + 41492.

It is an arithmetic number, because the mean of its divisors is an integer number (4088304).

Almost surely, 216270427 is an apocalyptic number.

16270427 is a deficient number, since it is larger than the sum of its proper divisors (82789).

16270427 is an equidigital number, since it uses as much as digits as its factorization.

16270427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82788.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 16270427 is about 4033.6617359417. The cubic root of 16270427 is about 253.3959388593.

Adding to 16270427 its reverse (72407261), we get a palindrome (88677688).

The spelling of 16270427 in words is "sixteen million, two hundred seventy thousand, four hundred twenty-seven".

Divisors: 1 197 82591 16270427