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110768221 is a prime number
BaseRepresentation
bin1101001101000…
…11000001011101
321201102121102201
412212203001131
5211324040341
614554051501
72513341264
oct646430135
9251377381
10110768221
1157586893
1231119b91
1319c43c35
14109d55db
159ad0331
hex69a305d

110768221 has 2 divisors, whose sum is σ = 110768222. Its totient is φ = 110768220.

The previous prime is 110768213. The next prime is 110768227. The reversal of 110768221 is 122867011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94848121 + 15920100 = 9739^2 + 3990^2 .

It is an emirp because it is prime and its reverse (122867011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110768221 - 23 = 110768213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110768221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110768227) 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, 55384110 + 55384111.

It is an arithmetic number, because the mean of its divisors is an integer number (55384111).

Almost surely, 2110768221 is an apocalyptic number.

It is an amenable number.

110768221 is a deficient number, since it is larger than the sum of its proper divisors (1).

110768221 is an equidigital number, since it uses as much as digits as its factorization.

110768221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 110768221 is about 10524.6482601558. The cubic root of 110768221 is about 480.2548140682.

The spelling of 110768221 in words is "one hundred ten million, seven hundred sixty-eight thousand, two hundred twenty-one".