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106492081 is a prime number
BaseRepresentation
bin1100101100011…
…11000010110001
321102101100200011
412112033002301
5204230221311
614322254521
72432111353
oct626170261
9242340604
10106492081
1155126093
122b7b7441
13190a7787
14102010d3
159538321
hex658f0b1

106492081 has 2 divisors, whose sum is σ = 106492082. Its totient is φ = 106492080.

The previous prime is 106492073. The next prime is 106492091. The reversal of 106492081 is 180294601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58064400 + 48427681 = 7620^2 + 6959^2 .

It is an emirp because it is prime and its reverse (180294601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106492081 - 23 = 106492073 is a prime.

It is a super-2 number, since 2×1064920812 = 22681126631421122, which contains 22 as substring.

It is the 10320-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (106492091) by changing a digit.

It is a nontrivial repunit in base 10319.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53246040 + 53246041.

It is an arithmetic number, because the mean of its divisors is an integer number (53246041).

Almost surely, 2106492081 is an apocalyptic number.

It is an amenable number.

106492081 is a deficient number, since it is larger than the sum of its proper divisors (1).

106492081 is an equidigital number, since it uses as much as digits as its factorization.

106492081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 106492081 is about 10319.5000363390. The cubic root of 106492081 is about 473.9935565599.

The spelling of 106492081 in words is "one hundred six million, four hundred ninety-two thousand, eighty-one".