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18608801 is a prime number
BaseRepresentation
bin100011011111…
…1001010100001
31022000102110212
41012333022201
514230440201
61502503505
7314113031
oct106771241
938012425
1018608801
11a560082
126294b95
133b17133
1426858c1
151978abb
hex11bf2a1

18608801 has 2 divisors, whose sum is σ = 18608802. Its totient is φ = 18608800.

The previous prime is 18608797. The next prime is 18608819. The reversal of 18608801 is 10880681.

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., 17648401 + 960400 = 4201^2 + 980^2 .It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 10880981 and 18908801.

It is a cyclic number.

It is not a de Polignac number, because 18608801 - 22 = 18608797 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (18608861) by changing a digit.

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, 9304400 + 9304401.

It is an arithmetic number, because the mean of its divisors is an integer number (9304401).

Almost surely, 218608801 is an apocalyptic number.

It is an amenable number.

18608801 is a deficient number, since it is larger than the sum of its proper divisors (1).

18608801 is an equidigital number, since it uses as much as digits as its factorization.

18608801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 18608801 is about 4313.7919514042. The cubic root of 18608801 is about 264.9960887046.

The spelling of 18608801 in words is "eighteen million, six hundred eight thousand, eight hundred one".