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105261049 is a prime number
BaseRepresentation
bin1100100011000…
…10011111111001
321100001211000101
412101202133321
5203421323144
614240035401
72415463345
oct621423771
9240054011
10105261049
1154465203
122b302b61
1318a6635a
14dda0625
1593936d4
hex64627f9

105261049 has 2 divisors, whose sum is σ = 105261050. Its totient is φ = 105261048.

The previous prime is 105261019. The next prime is 105261061. The reversal of 105261049 is 940162501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90859024 + 14402025 = 9532^2 + 3795^2 .

It is a cyclic number.

It is not a de Polignac number, because 105261049 - 27 = 105260921 is a prime.

It is a super-2 number, since 2×1052610492 = 22159776873160802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105261019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52630524 + 52630525.

It is an arithmetic number, because the mean of its divisors is an integer number (52630525).

Almost surely, 2105261049 is an apocalyptic number.

It is an amenable number.

105261049 is a deficient number, since it is larger than the sum of its proper divisors (1).

105261049 is an equidigital number, since it uses as much as digits as its factorization.

105261049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 105261049 is about 10259.6807455203. The cubic root of 105261049 is about 472.1600425031.

The spelling of 105261049 in words is "one hundred five million, two hundred sixty-one thousand, forty-nine".