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111122404 = 22171634153
BaseRepresentation
bin1101001111110…
…01011111100100
321202002121021121
412213321133210
5211421404104
615005423324
72516345011
oct647713744
9252077247
10111122404
11577a89a8
123126ab44
131a039203
1410a88708
159b50254
hex69f97e4

111122404 has 12 divisors (see below), whose sum is σ = 205903404. Its totient is φ = 52292864.

The previous prime is 111122399. The next prime is 111122413. The reversal of 111122404 is 404221111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62094400 + 49028004 = 7880^2 + 7002^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817009 + ... + 817144.

It is an arithmetic number, because the mean of its divisors is an integer number (17158617).

Almost surely, 2111122404 is an apocalyptic number.

It is an amenable number.

111122404 is a deficient number, since it is larger than the sum of its proper divisors (94781000).

111122404 is a wasteful number, since it uses less digits than its factorization.

111122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634174 (or 1634172 counting only the distinct ones).

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

The square root of 111122404 is about 10541.4611890383. The cubic root of 111122404 is about 480.7661433815.

Adding to 111122404 its reverse (404221111), we get a palindrome (515343515).

The spelling of 111122404 in words is "one hundred eleven million, one hundred twenty-two thousand, four hundred four".

Divisors: 1 2 4 17 34 68 1634153 3268306 6536612 27780601 55561202 111122404