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109838000 = 245354919
BaseRepresentation
bin1101000101111…
…11111010110000
321122200100102002
412202333322300
5211104304000
614522113132
72502415256
oct642777260
9248610362
10109838000
1157000a08
123094b7a8
13199a96cc
14108325d6
1599998d5
hex68bfeb0

109838000 has 40 divisors (see below), whose sum is σ = 265593120. Its totient is φ = 43934400.

The previous prime is 109837997. The next prime is 109838009. The reversal of 109838000 is 838901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109838009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25460 + ... + 29459.

It is an arithmetic number, because the mean of its divisors is an integer number (6639828).

Almost surely, 2109838000 is an apocalyptic number.

109838000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109838000 is an abundant number, since it is smaller than the sum of its proper divisors (155755120).

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

109838000 is an equidigital number, since it uses as much as digits as its factorization.

109838000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54942 (or 54926 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 109838000 is about 10480.3625891474. The cubic root of 109838000 is about 478.9066549858.

The spelling of 109838000 in words is "one hundred nine million, eight hundred thirty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 54919 109838 219676 274595 439352 549190 878704 1098380 1372975 2196760 2745950 4393520 5491900 6864875 10983800 13729750 21967600 27459500 54919000 109838000