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100830749 is a prime number
BaseRepresentation
bin1100000001010…
…00111000011101
321000201201210012
412000220320131
5201303040444
614001053005
72333022125
oct600507035
9230651705
10100830749
1151a096a8
1229927165
1317b74986
14d569c85
158cbab9e
hex6028e1d

100830749 has 2 divisors, whose sum is σ = 100830750. Its totient is φ = 100830748.

The previous prime is 100830731. The next prime is 100830797. The reversal of 100830749 is 947038001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94225849 + 6604900 = 9707^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 100830749 - 212 = 100826653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100832749) 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 as a sum of consecutive naturals, namely, 50415374 + 50415375.

It is an arithmetic number, because the mean of its divisors is an integer number (50415375).

Almost surely, 2100830749 is an apocalyptic number.

It is an amenable number.

100830749 is a deficient number, since it is larger than the sum of its proper divisors (1).

100830749 is an equidigital number, since it uses as much as digits as its factorization.

100830749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 100830749 is about 10041.4515384978. The cubic root of 100830749 is about 465.4406721650.

The spelling of 100830749 in words is "one hundred million, eight hundred thirty thousand, seven hundred forty-nine".