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108688042 = 2791096311
BaseRepresentation
bin1100111101001…
…11001010101010
321120111220222001
412132213022222
5210311004132
614441321214
72456555521
oct636471252
9246456861
10108688042
1156395a31
123049620a
1319696168
14106134b8
15981dce7
hex67a72aa

108688042 has 16 divisors (see below), whose sum is σ = 166636800. Its totient is φ = 53155440.

The previous prime is 108688039. The next prime is 108688051. The reversal of 108688042 is 240886801.

It is a junction number, because it is equal to n+sod(n) for n = 108687992 and 108688010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14067 + ... + 20377.

It is an arithmetic number, because the mean of its divisors is an integer number (10414800).

Almost surely, 2108688042 is an apocalyptic number.

108688042 is a deficient number, since it is larger than the sum of its proper divisors (57948758).

108688042 is a wasteful number, since it uses less digits than its factorization.

108688042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6501.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 108688042 is about 10425.3557253458. The cubic root of 108688042 is about 477.2294705819.

The spelling of 108688042 in words is "one hundred eight million, six hundred eighty-eight thousand, forty-two".

Divisors: 1 2 79 109 158 218 6311 8611 12622 17222 498569 687899 997138 1375798 54344021 108688042