Base | Representation |
---|---|
bin | 101011011010… |
… | …010101110111 |
3 | 210102011112201 |
4 | 223122111313 |
5 | 10403130322 |
6 | 1043525331 |
7 | 165505045 |
oct | 53322567 |
9 | 23364481 |
10 | 11380087 |
11 | 6473034 |
12 | 3989847 |
13 | 2485aa4 |
14 | 1723395 |
15 | eebd27 |
hex | ada577 |
11380087 has 2 divisors, whose sum is σ = 11380088. Its totient is φ = 11380086.
The previous prime is 11380081. The next prime is 11380091. The reversal of 11380087 is 78008311.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 11380087 - 27 = 11379959 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (11380081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5690043 + 5690044.
It is an arithmetic number, because the mean of its divisors is an integer number (5690044).
Almost surely, 211380087 is an apocalyptic number.
11380087 is a deficient number, since it is larger than the sum of its proper divisors (1).
11380087 is an equidigital number, since it uses as much as digits as its factorization.
11380087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344, while the sum is 28.
The square root of 11380087 is about 3373.4384535663. The cubic root of 11380087 is about 224.9305925834.
Adding to 11380087 its reverse (78008311), we get a palindrome (89388398).
It can be divided in two parts, 113 and 80087, that added together give a triangular number (80200 = T400).
The spelling of 11380087 in words is "eleven million, three hundred eighty thousand, eighty-seven".
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