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105554069 is a prime number
BaseRepresentation
bin1100100101010…
…10000010010101
321100121200221222
412102222002111
5204010212234
614250220125
72421123545
oct622520225
9240550858
10105554069
1154645375
122b424645
1318b3983a
1410039325
15940042e
hex64aa095

105554069 has 2 divisors, whose sum is σ = 105554070. Its totient is φ = 105554068.

The previous prime is 105554023. The next prime is 105554087. The reversal of 105554069 is 960455501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81180100 + 24373969 = 9010^2 + 4937^2 .

It is a cyclic number.

It is not a de Polignac number, because 105554069 - 28 = 105553813 is a prime.

It is a super-4 number, since 4×1055540694 (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105554369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52777034 + 52777035.

It is an arithmetic number, because the mean of its divisors is an integer number (52777035).

Almost surely, 2105554069 is an apocalyptic number.

It is an amenable number.

105554069 is a deficient number, since it is larger than the sum of its proper divisors (1).

105554069 is an equidigital number, since it uses as much as digits as its factorization.

105554069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 105554069 is about 10273.9509926805. The cubic root of 105554069 is about 472.5977610954.

The spelling of 105554069 in words is "one hundred five million, five hundred fifty-four thousand, sixty-nine".