Base | Representation |
---|---|
bin | 101010011101… |
… | …011001000110 |
3 | 202221111002110 |
4 | 222131121012 |
5 | 10322133223 |
6 | 1034321450 |
7 | 163415154 |
oct | 52353106 |
9 | 22844073 |
10 | 11130438 |
11 | 6312510 |
12 | 3889286 |
13 | 23c9277 |
14 | 169a3d4 |
15 | e9cd93 |
hex | a9d646 |
11130438 has 16 divisors (see below), whose sum is σ = 24284736. Its totient is φ = 3372840.
The previous prime is 11130437. The next prime is 11130439. The reversal of 11130438 is 83403111.
11130438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (11130437) and next prime (11130439).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11130433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84256 + ... + 84387.
It is an arithmetic number, because the mean of its divisors is an integer number (1517796).
Almost surely, 211130438 is an apocalyptic number.
11130438 is an abundant number, since it is smaller than the sum of its proper divisors (13154298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11130438 is a wasteful number, since it uses less digits than its factorization.
11130438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168659.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 11130438 is about 3336.2311071027. The cubic root of 11130438 is about 223.2736223132.
Adding to 11130438 its reverse (83403111), we get a palindrome (94533549).
The spelling of 11130438 in words is "eleven million, one hundred thirty thousand, four hundred thirty-eight".
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