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108820073 is a prime number
BaseRepresentation
bin1100111110001…
…11011001101001
321120202122002002
412133013121221
5210324220243
614444220345
72460645455
oct637073151
9246678062
10108820073
115647614a
123053a6b5
131971129b
1410649665
159847eb8
hex67c7669

108820073 has 2 divisors, whose sum is σ = 108820074. Its totient is φ = 108820072.

The previous prime is 108820069. The next prime is 108820079. The reversal of 108820073 is 370028801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64770304 + 44049769 = 8048^2 + 6637^2 .

It is a cyclic number.

It is not a de Polignac number, because 108820073 - 22 = 108820069 is a prime.

It is not a weakly prime, because it can be changed into another prime (108820079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54410036 + 54410037.

It is an arithmetic number, because the mean of its divisors is an integer number (54410037).

Almost surely, 2108820073 is an apocalyptic number.

It is an amenable number.

108820073 is a deficient number, since it is larger than the sum of its proper divisors (1).

108820073 is an equidigital number, since it uses as much as digits as its factorization.

108820073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 108820073 is about 10431.6860094617. The cubic root of 108820073 is about 477.4226337746.

Adding to 108820073 its reverse (370028801), we get a palindrome (478848874).

The spelling of 108820073 in words is "one hundred eight million, eight hundred twenty thousand, seventy-three".