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109388708 = 221113312199
BaseRepresentation
bin1101000010100…
…10001110100100
321121211112002122
412201102032210
5211000414313
614504325112
72465534342
oct641221644
9247745078
10109388708
11568243a0
1230773798
1319880060
1410756992
15990b708
hex68523a4

109388708 has 72 divisors (see below), whose sum is σ = 233553600. Its totient is φ = 44193600.

The previous prime is 109388701. The next prime is 109388731. The reversal of 109388708 is 807883901.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (109388701) 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 23 ways as a sum of consecutive naturals, for example, 549593 + ... + 549791.

It is an arithmetic number, because the mean of its divisors is an integer number (3243800).

Almost surely, 2109388708 is an apocalyptic number.

It is an amenable number.

109388708 is an abundant number, since it is smaller than the sum of its proper divisors (124164892).

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

109388708 is a wasteful number, since it uses less digits than its factorization.

109388708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 109388708 is about 10458.9056788939. The cubic root of 109388708 is about 478.2527738761.

The spelling of 109388708 in words is "one hundred nine million, three hundred eighty-eight thousand, seven hundred eight".

Divisors: 1 2 4 11 13 22 26 31 44 52 62 124 143 199 286 341 398 403 572 682 796 806 961 1364 1612 1922 2189 2587 3844 4378 4433 5174 6169 8756 8866 10348 10571 12338 12493 17732 21142 24676 24986 28457 42284 49972 56914 67859 80197 113828 135718 137423 160394 191239 271436 274846 320788 382478 549692 764956 882167 1764334 2103629 2486107 3528668 4207258 4972214 8414516 9944428 27347177 54694354 109388708