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10111247 is a prime number
BaseRepresentation
bin100110100100…
…100100001111
3201000201000122
4212210210033
510042024442
61000415155
7151641566
oct46444417
921021018
1010111247
115786803
1234774bb
1321303b3
1414b2bdd
15d4add2
hex9a490f

10111247 has 2 divisors, whose sum is σ = 10111248. Its totient is φ = 10111246.

The previous prime is 10111229. The next prime is 10111253. The reversal of 10111247 is 74211101.

It is a strong prime.

It is an emirp because it is prime and its reverse (74211101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10111247 - 214 = 10094863 is a prime.

It is a super-4 number, since 4×101112474 (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111207) 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, 5055623 + 5055624.

It is an arithmetic number, because the mean of its divisors is an integer number (5055624).

Almost surely, 210111247 is an apocalyptic number.

10111247 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111247 is an equidigital number, since it uses as much as digits as its factorization.

10111247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 10111247 is about 3179.8187055239. The cubic root of 10111247 is about 216.2394392695.

Adding to 10111247 its reverse (74211101), we get a palindrome (84322348).

The spelling of 10111247 in words is "ten million, one hundred eleven thousand, two hundred forty-seven".