Base | Representation |
---|---|
bin | 101010101100… |
… | …100001101111 |
3 | 210001122010111 |
4 | 222230201233 |
5 | 10331124211 |
6 | 1035520451 |
7 | 164063665 |
oct | 52544157 |
9 | 23048114 |
10 | 11192431 |
11 | 6355048 |
12 | 38b9127 |
13 | 241b553 |
14 | 16b4c35 |
15 | eb1421 |
hex | aac86f |
11192431 has 2 divisors, whose sum is σ = 11192432. Its totient is φ = 11192430.
The previous prime is 11192429. The next prime is 11192437. The reversal of 11192431 is 13429111.
It is a weak prime.
It is an emirp because it is prime and its reverse (13429111) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 11192431 - 21 = 11192429 is a prime.
It is a super-2 number, since 2×111924312 = 250541023379522, which contains 22 as substring.
Together with 11192429, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (11192437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5596215 + 5596216.
It is an arithmetic number, because the mean of its divisors is an integer number (5596216).
Almost surely, 211192431 is an apocalyptic number.
11192431 is a deficient number, since it is larger than the sum of its proper divisors (1).
11192431 is an equidigital number, since it uses as much as digits as its factorization.
11192431 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 216, while the sum is 22.
The square root of 11192431 is about 3345.5090793480. The cubic root of 11192431 is about 223.6873761261.
The spelling of 11192431 in words is "eleven million, one hundred ninety-two thousand, four hundred thirty-one".
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