Search a number
-
+
16284361 = 80920129
BaseRepresentation
bin111110000111…
…101011001001
31010122022221111
4332013223021
513132044421
61341010321
7255262162
oct76075311
933568844
1016284361
119212755
1255539a1
1334b2122
14223c769
151669ee1
hexf87ac9

16284361 has 4 divisors (see below), whose sum is σ = 16305300. Its totient is φ = 16263424.

The previous prime is 16284353. The next prime is 16284371. The reversal of 16284361 is 16348261.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14478025 + 1806336 = 3805^2 + 1344^2 .

It is a cyclic number.

It is not a de Polignac number, because 16284361 - 23 = 16284353 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16284371) 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, 9256 + ... + 10873.

It is an arithmetic number, because the mean of its divisors is an integer number (4076325).

Almost surely, 216284361 is an apocalyptic number.

It is an amenable number.

16284361 is a deficient number, since it is larger than the sum of its proper divisors (20939).

16284361 is an equidigital number, since it uses as much as digits as its factorization.

16284361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20938.

The product of its digits is 6912, while the sum is 31.

The square root of 16284361 is about 4035.3885810415. The cubic root of 16284361 is about 253.4682543464.

The spelling of 16284361 in words is "sixteen million, two hundred eighty-four thousand, three hundred sixty-one".

Divisors: 1 809 20129 16284361