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107280000 = 273254149
BaseRepresentation
bin1100110010011…
…11011010000000
321110212101111100
412121033122000
5204430430000
614351214400
72441602452
oct631173200
9243771440
10107280000
1155614063
122bb17400
13192c22b9
14103682d2
159641a00
hex664f680

107280000 has 240 divisors, whose sum is σ = 388352250. Its totient is φ = 28416000.

The previous prime is 107279971. The next prime is 107280001. The reversal of 107280000 is 82701.

It can be written as a sum of positive squares in 5 ways, for example, as 1272384 + 106007616 = 1128^2 + 10296^2 .

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 (18).

It is not an unprimeable number, because it can be changed into a prime (107280001) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 719926 + ... + 720074.

Almost surely, 2107280000 is an apocalyptic number.

107280000 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 107280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194176125).

107280000 is an abundant number, since it is smaller than the sum of its proper divisors (281072250).

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

107280000 is an equidigital number, since it uses as much as digits as its factorization.

107280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 107280000 is about 10357.6059009792. The cubic root of 107280000 is about 475.1596877683.

The spelling of 107280000 in words is "one hundred seven million, two hundred eighty thousand".