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1040168 = 23130021
BaseRepresentation
bin11111101111100101000
31221211211202
43331330220
5231241133
634143332
711561363
oct3757450
91854752
101040168
11650548
12421b48
132a55ac
141d10da
151582e8
hexfdf28

1040168 has 8 divisors (see below), whose sum is σ = 1950330. Its totient is φ = 520080.

The previous prime is 1040167. The next prime is 1040183. The reversal of 1040168 is 8610401.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 3844 = 1018^2 + 62^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1040161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65003 + ... + 65018.

21040168 is an apocalyptic number.

It is an amenable number.

1040168 is a deficient number, since it is larger than the sum of its proper divisors (910162).

1040168 is a wasteful number, since it uses less digits than its factorization.

1040168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130027 (or 130023 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1040168 is about 1019.8862681692. The cubic root of 1040168 is about 101.3213955620.

Adding to 1040168 its reverse (8610401), we get a palindrome (9650569).

The spelling of 1040168 in words is "one million, forty thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 130021 260042 520084 1040168