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105203071 is a prime number
BaseRepresentation
bin1100100010101…
…00010101111111
321022221212111001
412101110111333
5203412444241
614234511131
72415132331
oct621242577
9238855431
10105203071
1154425696
122b2954a7
1318a45b4c
14dd87451
159381431
hex645457f

105203071 has 2 divisors, whose sum is σ = 105203072. Its totient is φ = 105203070.

The previous prime is 105203053. The next prime is 105203083. The reversal of 105203071 is 170302501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105203071 - 223 = 96814463 is a prime.

It is a super-2 number, since 2×1052030712 = 22135372295662082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105203011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52601535 + 52601536.

It is an arithmetic number, because the mean of its divisors is an integer number (52601536).

Almost surely, 2105203071 is an apocalyptic number.

105203071 is a deficient number, since it is larger than the sum of its proper divisors (1).

105203071 is an equidigital number, since it uses as much as digits as its factorization.

105203071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 105203071 is about 10256.8548298199. The cubic root of 105203071 is about 472.0733376780.

Adding to 105203071 its reverse (170302501), we get a palindrome (275505572).

The spelling of 105203071 in words is "one hundred five million, two hundred three thousand, seventy-one".