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111168340 = 2255558417
BaseRepresentation
bin1101010000001…
…00101101010100
321202011221021221
412220010231110
5211424341330
615010420124
72516625643
oct650045524
9252157257
10111168340
115782a468
1231291644
131a0540aa
1410a9b35a
159b5db7a
hex6a04b54

111168340 has 12 divisors (see below), whose sum is σ = 233453556. Its totient is φ = 44467328.

The previous prime is 111168311. The next prime is 111168341. The reversal of 111168340 is 43861111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21790224 + 89378116 = 4668^2 + 9454^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111168341) 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, 2779189 + ... + 2779228.

It is an arithmetic number, because the mean of its divisors is an integer number (19454463).

Almost surely, 2111168340 is an apocalyptic number.

111168340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111168340 is an abundant number, since it is smaller than the sum of its proper divisors (122285216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111168340 is a wasteful number, since it uses less digits than its factorization.

111168340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558426 (or 5558424 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 111168340 is about 10543.6397889913. The cubic root of 111168340 is about 480.8323809429.

The spelling of 111168340 in words is "one hundred eleven million, one hundred sixty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 5558417 11116834 22233668 27792085 55584170 111168340