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104550389 is a prime number
BaseRepresentation
bin1100011101101…
…00111111110101
321021201201011122
412032310333311
5203231103024
614212513325
72406443426
oct616647765
9237651148
10104550389
115401a289
122b01b845
1318877a48
14dc5764d
1592a2d5e
hex63b4ff5

104550389 has 2 divisors, whose sum is σ = 104550390. Its totient is φ = 104550388.

The previous prime is 104550377. The next prime is 104550403. The reversal of 104550389 is 983055401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74684164 + 29866225 = 8642^2 + 5465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104550389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104552389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52275194 + 52275195.

It is an arithmetic number, because the mean of its divisors is an integer number (52275195).

Almost surely, 2104550389 is an apocalyptic number.

It is an amenable number.

104550389 is a deficient number, since it is larger than the sum of its proper divisors (1).

104550389 is an equidigital number, since it uses as much as digits as its factorization.

104550389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 104550389 is about 10224.9884596512. The cubic root of 104550389 is about 471.0950609227.

The spelling of 104550389 in words is "one hundred four million, five hundred fifty thousand, three hundred eighty-nine".