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10550191 is a prime number
BaseRepresentation
bin101000001111…
…101110101111
3201212000010211
4220033232233
510200101231
61014043251
7155450401
oct50175657
921760124
1010550191
115a56573
123649527
132255122
141588b71
15dd5eb1
hexa0fbaf

10550191 has 2 divisors, whose sum is σ = 10550192. Its totient is φ = 10550190.

The previous prime is 10550159. The next prime is 10550201. The reversal of 10550191 is 19105501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10550191 - 25 = 10550159 is a prime.

It is a super-2 number, since 2×105501912 = 222613060272962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10550101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275095 + 5275096.

It is an arithmetic number, because the mean of its divisors is an integer number (5275096).

Almost surely, 210550191 is an apocalyptic number.

10550191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10550191 is an equidigital number, since it uses as much as digits as its factorization.

10550191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 10550191 is about 3248.1057556674. The cubic root of 10550191 is about 219.3243111703.

Adding to 10550191 its reverse (19105501), we get a palindrome (29655692).

The spelling of 10550191 in words is "ten million, five hundred fifty thousand, one hundred ninety-one".