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105880069 is a prime number
BaseRepresentation
bin1100100111110…
…01101000000101
321101020021011001
412103321220011
5204101130234
614301213301
72423652151
oct623715005
9241207131
10105880069
1154848299
122b561231
1318c22039
14100c2061
159466d14
hex64f9a05

105880069 has 2 divisors, whose sum is σ = 105880070. Its totient is φ = 105880068.

The previous prime is 105880067. The next prime is 105880091. The reversal of 105880069 is 960088501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58339044 + 47541025 = 7638^2 + 6895^2 .

It is a cyclic number.

It is not a de Polignac number, because 105880069 - 21 = 105880067 is a prime.

It is a super-2 number, since 2×1058800692 = 22421178022889522, which contains 22 as substring.

Together with 105880067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105880067) 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, 52940034 + 52940035.

It is an arithmetic number, because the mean of its divisors is an integer number (52940035).

Almost surely, 2105880069 is an apocalyptic number.

It is an amenable number.

105880069 is a deficient number, since it is larger than the sum of its proper divisors (1).

105880069 is an equidigital number, since it uses as much as digits as its factorization.

105880069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 105880069 is about 10289.8041283593. The cubic root of 105880069 is about 473.0837948825.

The spelling of 105880069 in words is "one hundred five million, eight hundred eighty thousand, sixty-nine".