Base | Representation |
---|---|
bin | 101011010101… |
… | …110010000001 |
3 | 210101012220221 |
4 | 223111302001 |
5 | 10402031114 |
6 | 1043303041 |
7 | 165366433 |
oct | 53256201 |
9 | 23335827 |
10 | 11361409 |
11 | 645aaa4 |
12 | 397aa81 |
13 | 247a437 |
14 | 171a653 |
15 | ee6524 |
hex | ad5c81 |
11361409 has 2 divisors, whose sum is σ = 11361410. Its totient is φ = 11361408.
The previous prime is 11361403. The next prime is 11361419. The reversal of 11361409 is 90416311.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9120400 + 2241009 = 3020^2 + 1497^2 .
It is a cyclic number.
It is not a de Polignac number, because 11361409 - 215 = 11328641 is a prime.
It is a super-2 number, since 2×113614092 = 258163228930562, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (11361403) 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, 5680704 + 5680705.
It is an arithmetic number, because the mean of its divisors is an integer number (5680705).
Almost surely, 211361409 is an apocalyptic number.
It is an amenable number.
11361409 is a deficient number, since it is larger than the sum of its proper divisors (1).
11361409 is an equidigital number, since it uses as much as digits as its factorization.
11361409 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 25.
The square root of 11361409 is about 3370.6689247092. The cubic root of 11361409 is about 224.8074665711.
The spelling of 11361409 in words is "eleven million, three hundred sixty-one thousand, four hundred nine".
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