Base | Representation |
---|---|
bin | 101011110010… |
… | …111011101111 |
3 | 210121021201101 |
4 | 223302323233 |
5 | 10414341230 |
6 | 1050023531 |
7 | 166404523 |
oct | 53627357 |
9 | 23537641 |
10 | 11480815 |
11 | 6531785 |
12 | 3a17ba7 |
13 | 24bc8a8 |
14 | 174bd83 |
15 | 101baca |
hex | af2eef |
11480815 has 4 divisors (see below), whose sum is σ = 13776984. Its totient is φ = 9184648.
The previous prime is 11480813. The next prime is 11480827. The reversal of 11480815 is 51808411.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51808411 = 1193 ⋅43427.
It is a cyclic number.
It is not a de Polignac number, because 11480815 - 21 = 11480813 is a prime.
It is a super-2 number, since 2×114808152 = 263618226128450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11480813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148077 + ... + 1148086.
It is an arithmetic number, because the mean of its divisors is an integer number (3444246).
Almost surely, 211480815 is an apocalyptic number.
11480815 is a deficient number, since it is larger than the sum of its proper divisors (2296169).
11480815 is an equidigital number, since it uses as much as digits as its factorization.
11480815 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2296168.
The product of its (nonzero) digits is 1280, while the sum is 28.
The square root of 11480815 is about 3388.3351369072. The cubic root of 11480815 is about 225.5922831452.
The spelling of 11480815 in words is "eleven million, four hundred eighty thousand, eight hundred fifteen".
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