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109388699 = 735344269
BaseRepresentation
bin1101000010100…
…10001110011011
321121211112002022
412201102032123
5211000414244
614504325055
72465534330
oct641221633
9247745068
10109388699
1156824392
123077378b
1319880054
1410756987
15990b6ee
hex685239b

109388699 has 8 divisors (see below), whose sum is σ = 125372640. Its totient is φ = 93494016.

The previous prime is 109388683. The next prime is 109388701. The reversal of 109388699 is 996883901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109388699 - 24 = 109388683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109388699.

It is not an unprimeable number, because it can be changed into a prime (109388399) by changing a digit.

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, 19664 + ... + 24605.

It is an arithmetic number, because the mean of its divisors is an integer number (15671580).

Almost surely, 2109388699 is an apocalyptic number.

109388699 is a deficient number, since it is larger than the sum of its proper divisors (15983941).

109388699 is an equidigital number, since it uses as much as digits as its factorization.

109388699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44629.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 109388699 is about 10458.9052486386. The cubic root of 109388699 is about 478.2527607600.

The spelling of 109388699 in words is "one hundred nine million, three hundred eighty-eight thousand, six hundred ninety-nine".

Divisors: 1 7 353 2471 44269 309883 15626957 109388699