Base | Representation |
---|---|
bin | 101010101110… |
… | …011110000111 |
3 | 210002001001022 |
4 | 222232132013 |
5 | 10331403031 |
6 | 1040021355 |
7 | 164126126 |
oct | 52563607 |
9 | 23061038 |
10 | 11200391 |
11 | 6360024 |
12 | 390185b |
13 | 2422067 |
14 | 16b7abd |
15 | eb397b |
hex | aae787 |
11200391 has 2 divisors, whose sum is σ = 11200392. Its totient is φ = 11200390.
The previous prime is 11200363. The next prime is 11200403. The reversal of 11200391 is 19300211.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 11200391 - 26 = 11200327 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (11200361) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600195 + 5600196.
It is an arithmetic number, because the mean of its divisors is an integer number (5600196).
Almost surely, 211200391 is an apocalyptic number.
11200391 is a deficient number, since it is larger than the sum of its proper divisors (1).
11200391 is an equidigital number, since it uses as much as digits as its factorization.
11200391 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54, while the sum is 17.
The square root of 11200391 is about 3346.6985224247. The cubic root of 11200391 is about 223.7403920013.
The spelling of 11200391 in words is "eleven million, two hundred thousand, three hundred ninety-one".
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