Base | Representation |
---|---|
bin | 101011110000… |
… | …111111111010 |
3 | 210120212211212 |
4 | 223300333322 |
5 | 10414113030 |
6 | 1045523122 |
7 | 166342442 |
oct | 53607772 |
9 | 23525755 |
10 | 11472890 |
11 | 6526830 |
12 | 3a134a2 |
13 | 24b90c0 |
14 | 1749122 |
15 | 1019595 |
hex | af0ffa |
11472890 has 64 divisors (see below), whose sum is σ = 24820992. Its totient is φ = 3763200.
The previous prime is 11472889. The next prime is 11472917. The reversal of 11472890 is 9827411.
It is a super-3 number, since 3×114728903 (a number of 22 digits) contains 333 as substring.
It is a Curzon number.
It is a zygodrome in base 4.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101474 + ... + 101586.
It is an arithmetic number, because the mean of its divisors is an integer number (387828).
Almost surely, 211472890 is an apocalyptic number.
11472890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11472890 is an abundant number, since it is smaller than the sum of its proper divisors (13348102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11472890 is a wasteful number, since it uses less digits than its factorization.
11472890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215.
The product of its (nonzero) digits is 4032, while the sum is 32.
The square root of 11472890 is about 3387.1654816380. The cubic root of 11472890 is about 225.5403637659.
The spelling of 11472890 in words is "eleven million, four hundred seventy-two thousand, eight hundred ninety".
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