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105202481 is a prime number
BaseRepresentation
bin1100100010101…
…00001100110001
321022221211200012
412101110030301
5203412434411
614234504305
72415130526
oct621241461
9238854605
10105202481
11544251aa
122b295095
1318a457b7
14dd8714d
15938118b
hex6454331

105202481 has 2 divisors, whose sum is σ = 105202482. Its totient is φ = 105202480.

The previous prime is 105202463. The next prime is 105202501. The reversal of 105202481 is 184202501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99820081 + 5382400 = 9991^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 105202481 - 214 = 105186097 is a prime.

It is a super-2 number, since 2×1052024812 = 22135124017110722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105202421) 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, 52601240 + 52601241.

It is an arithmetic number, because the mean of its divisors is an integer number (52601241).

Almost surely, 2105202481 is an apocalyptic number.

It is an amenable number.

105202481 is a deficient number, since it is larger than the sum of its proper divisors (1).

105202481 is an equidigital number, since it uses as much as digits as its factorization.

105202481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 105202481 is about 10256.8260685263. The cubic root of 105202481 is about 472.0724551823.

Adding to 105202481 its reverse (184202501), we get a palindrome (289404982).

The spelling of 105202481 in words is "one hundred five million, two hundred two thousand, four hundred eighty-one".