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94108081 is a prime number
BaseRepresentation
bin1011001101111…
…11100110110001
320120002012000111
411212333212301
5143042424311
613201021321
72221622404
oct546774661
9216065014
1094108081
1149137881
1227624841
131665ca72
14c6d9d3b
1583ddd21
hex59bf9b1

94108081 has 2 divisors, whose sum is σ = 94108082. Its totient is φ = 94108080.

The previous prime is 94108067. The next prime is 94108099. The reversal of 94108081 is 18080149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60699681 + 33408400 = 7791^2 + 5780^2 .

It is an emirp because it is prime and its reverse (18080149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94108081 - 29 = 94107569 is a prime.

It is a super-2 number, since 2×941080812 = 17712661819005122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94108031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47054040 + 47054041.

It is an arithmetic number, because the mean of its divisors is an integer number (47054041).

Almost surely, 294108081 is an apocalyptic number.

It is an amenable number.

94108081 is a deficient number, since it is larger than the sum of its proper divisors (1).

94108081 is an equidigital number, since it uses as much as digits as its factorization.

94108081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 94108081 is about 9700.9319655382. The cubic root of 94108081 is about 454.8577923737.

The spelling of 94108081 in words is "ninety-four million, one hundred eight thousand, eighty-one".