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109007808 = 26371317367
BaseRepresentation
bin1100111111101…
…01001111000000
321121010011121020
412133311033000
5210401222213
614452225440
72462360010
oct637651700
9247104536
10109007808
11565941a8
123060b280
1319778880
1410697c40
159883923
hex67f53c0

109007808 has 224 divisors, whose sum is σ = 376879104. Its totient is φ = 26984448.

The previous prime is 109007797. The next prime is 109007827. The reversal of 109007808 is 808700901.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296841 + ... + 297207.

It is an arithmetic number, because the mean of its divisors is an integer number (1682496).

Almost surely, 2109007808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109007808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188439552).

109007808 is an abundant number, since it is smaller than the sum of its proper divisors (267871296).

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

109007808 is a wasteful number, since it uses less digits than its factorization.

109007808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 109007808 is about 10440.6804375960. The cubic root of 109007808 is about 477.6970238535.

The spelling of 109007808 in words is "one hundred nine million, seven thousand, eight hundred eight".