Base | Representation |
---|---|
bin | 101010110101… |
… | …110100010000 |
3 | 210010120022201 |
4 | 222311310100 |
5 | 10333333410 |
6 | 1040412544 |
7 | 164312632 |
oct | 52656420 |
9 | 23116281 |
10 | 11230480 |
11 | 6380698 |
12 | 3917154 |
13 | 2432971 |
14 | 16c4a52 |
15 | ebc83a |
hex | ab5d10 |
11230480 has 20 divisors (see below), whose sum is σ = 26111052. Its totient is φ = 4492160.
The previous prime is 11230469. The next prime is 11230487. The reversal of 11230480 is 8403211.
It can be written as a sum of positive squares in 2 ways, for example, as 7420176 + 3810304 = 2724^2 + 1952^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×112304802 = 252247362060800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (11230487) 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 in 3 ways as a sum of consecutive naturals, for example, 70111 + ... + 70270.
Almost surely, 211230480 is an apocalyptic number.
11230480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11230480 is an abundant number, since it is smaller than the sum of its proper divisors (14880572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11230480 is a wasteful number, since it uses less digits than its factorization.
11230480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140394 (or 140388 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 11230480 is about 3351.1908331219. The cubic root of 11230480 is about 223.9405667151.
Adding to 11230480 its reverse (8403211), we get a palindrome (19633691).
The spelling of 11230480 in words is "eleven million, two hundred thirty thousand, four hundred eighty".
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