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2160306 = 232120017
BaseRepresentation
bin1000001111011010110010
311001202101100
420033122302
51023112211
6114145230
724235161
oct10173262
94052340
102160306
111246085
12882216
135a83b5
144033d8
152ca156
hex20f6b2

2160306 has 12 divisors (see below), whose sum is σ = 4680702. Its totient is φ = 720096.

The previous prime is 2160293. The next prime is 2160311. The reversal of 2160306 is 6030612.

It is a happy number.

2160306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1334025 + 826281 = 1155^2 + 909^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 120017 = 2160306 / (2 + 1 + 6 + 0 + 3 + 0 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59991 + ... + 60026.

22160306 is an apocalyptic number.

2160306 is an abundant number, since it is smaller than the sum of its proper divisors (2520396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2160306 is a wasteful number, since it uses less digits than its factorization.

2160306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120025 (or 120022 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2160306 is about 1469.7979452972. The cubic root of 2160306 is about 129.2721853453.

Adding to 2160306 its reverse (6030612), we get a palindrome (8190918).

The spelling of 2160306 in words is "two million, one hundred sixty thousand, three hundred six".

Divisors: 1 2 3 6 9 18 120017 240034 360051 720102 1080153 2160306