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107200780 = 2255360039
BaseRepresentation
bin1100110001111…
…00000100001100
321110201100211021
412120330010030
5204420411110
614345403524
72441122501
oct630740414
9243640737
10107200780
115556a595
122ba995a4
131929521b
14103474a8
1596282da
hex663c10c

107200780 has 12 divisors (see below), whose sum is σ = 225121680. Its totient is φ = 42880304.

The previous prime is 107200757. The next prime is 107200781. The reversal of 107200780 is 87002701.

It is a happy number.

It is a super-2 number, since 2×1072007802 = 22984014465216800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107200781) 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, 2680000 + ... + 2680039.

It is an arithmetic number, because the mean of its divisors is an integer number (18760140).

Almost surely, 2107200780 is an apocalyptic number.

107200780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107200780 is an abundant number, since it is smaller than the sum of its proper divisors (117920900).

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

107200780 is a wasteful number, since it uses less digits than its factorization.

107200780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360048 (or 5360046 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 107200780 is about 10353.7809519035. The cubic root of 107200780 is about 475.0426997625.

The spelling of 107200780 in words is "one hundred seven million, two hundred thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 5360039 10720078 21440156 26800195 53600390 107200780