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109388752 = 2411621527
BaseRepresentation
bin1101000010100…
…10001111010000
321121211112011021
412201102033100
5211000420002
614504325224
72465534434
oct641221720
9247745137
10109388752
1156824430
1230773814
1319880095
14107569c4
15990b737
hex68523d0

109388752 has 20 divisors (see below), whose sum is σ = 231208416. Its totient is φ = 49722080.

The previous prime is 109388737. The next prime is 109388753. The reversal of 109388752 is 257883901.

It is a junction number, because it is equal to n+sod(n) for n = 109388699 and 109388708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109388753) 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 3 ways as a sum of consecutive naturals, for example, 310588 + ... + 310939.

Almost surely, 2109388752 is an apocalyptic number.

It is an amenable number.

109388752 is an abundant number, since it is smaller than the sum of its proper divisors (121819664).

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

109388752 is a wasteful number, since it uses less digits than its factorization.

109388752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621546 (or 621540 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 109388752 is about 10458.9077823643. The cubic root of 109388752 is about 478.2528379995.

The spelling of 109388752 in words is "one hundred nine million, three hundred eighty-eight thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 621527 1243054 2486108 4972216 6836797 9944432 13673594 27347188 54694376 109388752