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109389126 = 23711236773
BaseRepresentation
bin1101000010100…
…10010101000110
321121211112200010
412201102111012
5211000423001
614504331050
72465535510
oct641222506
9247745603
10109389126
1156824740
1230773a86
13198802c2
1410756bb0
15990b8d6
hex6852546

109389126 has 32 divisors (see below), whose sum is σ = 272763648. Its totient is φ = 28412640.

The previous prime is 109389083. The next prime is 109389143. The reversal of 109389126 is 621983901.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 117925 + ... + 118848.

It is an arithmetic number, because the mean of its divisors is an integer number (8523864).

Almost surely, 2109389126 is an apocalyptic number.

109389126 is an abundant number, since it is smaller than the sum of its proper divisors (163374522).

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

109389126 is a wasteful number, since it uses less digits than its factorization.

109389126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236796.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 109389126 is about 10458.9256618450. The cubic root of 109389126 is about 478.2533830475.

The spelling of 109389126 in words is "one hundred nine million, three hundred eighty-nine thousand, one hundred twenty-six".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 236773 473546 710319 1420638 1657411 2604503 3314822 4972233 5209006 7813509 9944466 15627018 18231521 36463042 54694563 109389126