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108020838 = 2310321697
BaseRepresentation
bin1100111000001…
…00010001100110
321112021000201210
412130010101212
5210123131323
614415132250
72451106362
oct634042146
9245230653
10108020838
1155a7a722
1230214086
13194c1573
14104bc2a2
15973b293
hex6704466

108020838 has 24 divisors (see below), whose sum is σ = 218288088. Its totient is φ = 35636352.

The previous prime is 108020831. The next prime is 108020863. The reversal of 108020838 is 838020801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108020831) 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 11 ways as a sum of consecutive naturals, for example, 62806 + ... + 64502.

It is an arithmetic number, because the mean of its divisors is an integer number (9095337).

Almost surely, 2108020838 is an apocalyptic number.

108020838 is an abundant number, since it is smaller than the sum of its proper divisors (110267250).

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

108020838 is a wasteful number, since it uses less digits than its factorization.

108020838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 108020838 is about 10393.3073658004. The cubic root of 108020838 is about 476.2509416422.

The spelling of 108020838 in words is "one hundred eight million, twenty thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 103 206 309 618 1697 3394 5091 10182 10609 21218 31827 63654 174791 349582 524373 1048746 18003473 36006946 54010419 108020838