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2161336 = 23270167
BaseRepresentation
bin1000001111101010111000
311001210210111
420033222320
51023130321
6114154104
724241162
oct10175270
94053714
102161336
111246931
12882934
135a89c8
14403932
152ca5e1
hex20fab8

2161336 has 8 divisors (see below), whose sum is σ = 4052520. Its totient is φ = 1080664.

The previous prime is 2161331. The next prime is 2161337. The reversal of 2161336 is 6331612.

2161336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161331) by changing a digit.

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 as a sum of consecutive naturals, namely, 135076 + ... + 135091.

It is an arithmetic number, because the mean of its divisors is an integer number (506565).

22161336 is an apocalyptic number.

It is an amenable number.

2161336 is a deficient number, since it is larger than the sum of its proper divisors (1891184).

2161336 is a wasteful number, since it uses less digits than its factorization.

2161336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270173 (or 270169 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 2161336 is about 1470.1482918400. The cubic root of 2161336 is about 129.2927270641.

Adding to 2161336 its reverse (6331612), we get a palindrome (8492948).

The spelling of 2161336 in words is "two million, one hundred sixty-one thousand, three hundred thirty-six".

Divisors: 1 2 4 8 270167 540334 1080668 2161336