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107803920 = 24357289103
BaseRepresentation
bin1100110110011…
…11010100010000
321111212000011210
412123033110100
5210044211140
614410340120
72446214100
oct633172420
9244760153
10107803920
1155941754
123012a640
1319446903
1410463200
1596e6d80
hex66cf510

107803920 has 240 divisors, whose sum is σ = 396938880. Its totient is φ = 24127488.

The previous prime is 107803907. The next prime is 107803931. The reversal of 107803920 is 29308701.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1046589 + ... + 1046691.

It is an arithmetic number, because the mean of its divisors is an integer number (1653912).

Almost surely, 2107803920 is an apocalyptic number.

107803920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 107803920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198469440).

107803920 is an abundant number, since it is smaller than the sum of its proper divisors (289134960).

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

107803920 is a wasteful number, since it uses less digits than its factorization.

107803920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 107803920 is about 10382.8666561793. The cubic root of 107803920 is about 475.9319395192.

The spelling of 107803920 in words is "one hundred seven million, eight hundred three thousand, nine hundred twenty".