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1234161 = 32241569
BaseRepresentation
bin100101101010011110001
32022200221200
410231103301
5303443121
642241413
713330065
oct4552361
92280850
101234161
11773275
124b6269
13342996
14241aa5
15195a26
hex12d4f1

1234161 has 12 divisors (see below), whose sum is σ = 1793220. Its totient is φ = 817920.

The previous prime is 1234147. The next prime is 1234187. The reversal of 1234161 is 1614321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 553536 + 680625 = 744^2 + 825^2 .

It is not a de Polignac number, because 1234161 - 218 = 972017 is a prime.

It is a super-3 number, since 3×12341613 = 5639449473335145843, which contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1236161) 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 in 11 ways as a sum of consecutive naturals, for example, 1885 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (149435).

21234161 is an apocalyptic number.

It is an amenable number.

1234161 is a deficient number, since it is larger than the sum of its proper divisors (559059).

1234161 is a wasteful number, since it uses less digits than its factorization.

1234161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 813 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1234161 is about 1110.9279904656. The cubic root of 1234161 is about 107.2648112298.

Adding to 1234161 its reverse (1614321), we get a palindrome (2848482).

The spelling of 1234161 in words is "one million, two hundred thirty-four thousand, one hundred sixty-one".

Divisors: 1 3 9 241 569 723 1707 2169 5121 137129 411387 1234161