Base | Representation |
---|---|
bin | 101101000100… |
… | …001001011111 |
3 | 211020012000222 |
4 | 231010021133 |
5 | 11011012341 |
6 | 1101111555 |
7 | 202261415 |
oct | 55041137 |
9 | 24205028 |
10 | 11813471 |
11 | 67396aa |
12 | 3b585bb |
13 | 25a8127 |
14 | 17d72b5 |
15 | 108544b |
hex | b4425f |
11813471 has 8 divisors (see below), whose sum is σ = 12225360. Its totient is φ = 11406528.
The previous prime is 11813447. The next prime is 11813479. The reversal of 11813471 is 17431811.
11813471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 11813471 - 218 = 11551327 is a prime.
It is a super-3 number, since 3×118134713 (a number of 22 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 11813471.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11813479) 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, 3995 + ... + 6291.
It is an arithmetic number, because the mean of its divisors is an integer number (1528170).
Almost surely, 211813471 is an apocalyptic number.
11813471 is a deficient number, since it is larger than the sum of its proper divisors (411889).
11813471 is a wasteful number, since it uses less digits than its factorization.
11813471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2473.
The product of its digits is 672, while the sum is 26.
The square root of 11813471 is about 3437.0730280284. The cubic root of 11813471 is about 227.7504129904.
The spelling of 11813471 in words is "eleven million, eight hundred thirteen thousand, four hundred seventy-one".
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