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1108031 = 9711423
BaseRepresentation
bin100001110100000111111
32002021221012
410032200333
5240424111
635425435
712263261
oct4164077
92067835
101108031
11697531
1245527b
132ca452
1420bb31
1516d48b
hex10e83f

1108031 has 4 divisors (see below), whose sum is σ = 1119552. Its totient is φ = 1096512.

The previous prime is 1108021. The next prime is 1108049. The reversal of 1108031 is 1308011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1108031 is a prime.

It is a super-2 number, since 2×11080312 = 2455465393922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1107997 and 1108015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108001) 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, 5615 + ... + 5808.

It is an arithmetic number, because the mean of its divisors is an integer number (279888).

21108031 is an apocalyptic number.

1108031 is a deficient number, since it is larger than the sum of its proper divisors (11521).

1108031 is an equidigital number, since it uses as much as digits as its factorization.

1108031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11520.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1108031 is about 1052.6305144731. The cubic root of 1108031 is about 103.4786220793.

It can be divided in two parts, 11080 and 31, that added together give a palindrome (11111).

The spelling of 1108031 in words is "one million, one hundred eight thousand, thirty-one".

Divisors: 1 97 11423 1108031