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109071742 = 21319220793
BaseRepresentation
bin1101000000001…
…00110101111110
321121020102022011
412200010311332
5210410243432
614453441434
72463044263
oct640046576
9247212264
10109071742
115662823a
123064027a
131979b9c0
14106b326a
159897847
hex6804d7e

109071742 has 16 divisors (see below), whose sum is σ = 185466960. Its totient is φ = 47691072.

The previous prime is 109071731. The next prime is 109071751. The reversal of 109071742 is 247170901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109903 + ... + 110890.

It is an arithmetic number, because the mean of its divisors is an integer number (11591685).

Almost surely, 2109071742 is an apocalyptic number.

109071742 is a deficient number, since it is larger than the sum of its proper divisors (76395218).

109071742 is a wasteful number, since it uses less digits than its factorization.

109071742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220827.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 109071742 is about 10443.7417624145. The cubic root of 109071742 is about 477.7903967142.

The spelling of 109071742 in words is "one hundred nine million, seventy-one thousand, seven hundred forty-two".

Divisors: 1 2 13 19 26 38 247 494 220793 441586 2870309 4195067 5740618 8390134 54535871 109071742