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104223149 is a prime number
BaseRepresentation
bin1100011011001…
…01000110101101
321021010002021122
412031211012231
5203140120044
614201510325
72403611402
oct615450655
9237102248
10104223149
1153916438
122aaa23a5
1318791b04
14dbb02a9
15923adee
hex63651ad

104223149 has 2 divisors, whose sum is σ = 104223150. Its totient is φ = 104223148.

The previous prime is 104223131. The next prime is 104223157. The reversal of 104223149 is 941322401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102313225 + 1909924 = 10115^2 + 1382^2 .

It is an emirp because it is prime and its reverse (941322401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104223149 - 212 = 104219053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104223169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52111574 + 52111575.

It is an arithmetic number, because the mean of its divisors is an integer number (52111575).

Almost surely, 2104223149 is an apocalyptic number.

It is an amenable number.

104223149 is a deficient number, since it is larger than the sum of its proper divisors (1).

104223149 is an equidigital number, since it uses as much as digits as its factorization.

104223149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 104223149 is about 10208.9739445255. The cubic root of 104223149 is about 470.6030421312.

The spelling of 104223149 in words is "one hundred four million, two hundred twenty-three thousand, one hundred forty-nine".