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1080931 = 2346997
BaseRepresentation
bin100000111111001100011
32000220202111
410013321203
5234042211
635100151
712121255
oct4077143
92026674
101080931
11679135
12441657
132bb007
14201cd5
15165421
hex107e63

1080931 has 4 divisors (see below), whose sum is σ = 1127952. Its totient is φ = 1033912.

The previous prime is 1080923. The next prime is 1080941. The reversal of 1080931 is 1390801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1080931 - 23 = 1080923 is a prime.

It is a super-2 number, since 2×10809312 = 2336823653522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080901) 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 3 ways as a sum of consecutive naturals, for example, 23476 + ... + 23521.

It is an arithmetic number, because the mean of its divisors is an integer number (281988).

21080931 is an apocalyptic number.

1080931 is a deficient number, since it is larger than the sum of its proper divisors (47021).

1080931 is an equidigital number, since it uses as much as digits as its factorization.

1080931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47020.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1080931 is about 1039.6783156342. The cubic root of 1080931 is about 102.6280295853.

The spelling of 1080931 in words is "one million, eighty thousand, nine hundred thirty-one".

Divisors: 1 23 46997 1080931