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1081042 = 2618861
BaseRepresentation
bin100000111111011010010
32000220220121
410013323102
5234043132
635100454
712121504
oct4077322
92026817
101081042
11679226
1244172a
132bb091
14201d74
15165497
hex107ed2

1081042 has 8 divisors (see below), whose sum is σ = 1648332. Its totient is φ = 531600.

The previous prime is 1081037. The next prime is 1081051. The reversal of 1081042 is 2401801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1079521 + 1521 = 1039^2 + 39^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 4309 + ... + 4552.

21081042 is an apocalyptic number.

1081042 is a deficient number, since it is larger than the sum of its proper divisors (567290).

1081042 is an equidigital number, since it uses as much as digits as its factorization.

1081042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8924.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1081042 is about 1039.7316961601. The cubic root of 1081042 is about 102.6315423971.

Adding to 1081042 its reverse (2401801), we get a palindrome (3482843).

The spelling of 1081042 in words is "one million, eighty-one thousand, forty-two".

Divisors: 1 2 61 122 8861 17722 540521 1081042