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1080161 = 10310487
BaseRepresentation
bin100000111101101100001
32000212200222
410013231201
5234031121
635052425
712116105
oct4075541
92025628
101080161
116785a5
12441115
132ba864
14201905
151650ab
hex107b61

1080161 has 4 divisors (see below), whose sum is σ = 1090752. Its totient is φ = 1069572.

The previous prime is 1080143. The next prime is 1080173. The reversal of 1080161 is 1610801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1080161 - 26 = 1080097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080661) 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, 5141 + ... + 5346.

It is an arithmetic number, because the mean of its divisors is an integer number (272688).

21080161 is an apocalyptic number.

It is an amenable number.

1080161 is a deficient number, since it is larger than the sum of its proper divisors (10591).

1080161 is a wasteful number, since it uses less digits than its factorization.

1080161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10590.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1080161 is about 1039.3079428158. The cubic root of 1080161 is about 102.6036548089.

Adding to 1080161 its reverse (1610801), we get a palindrome (2690962).

The spelling of 1080161 in words is "one million, eighty thousand, one hundred sixty-one".

Divisors: 1 103 10487 1080161