Base | Representation |
---|---|
bin | 10011110000111111001000 |
3 | 100202020112010 |
4 | 103300333020 |
5 | 2311301014 |
6 | 303015520 |
7 | 62020035 |
oct | 23607710 |
9 | 10666463 |
10 | 5181384 |
11 | 2a1993a |
12 | 189a5a0 |
13 | 10c5510 |
14 | 98c38c |
15 | 6c5359 |
hex | 4f0fc8 |
5181384 has 32 divisors (see below), whose sum is σ = 13950720. Its totient is φ = 1594176.
The previous prime is 5181383. The next prime is 5181391. The reversal of 5181384 is 4831815.
It is not an unprimeable number, because it can be changed into a prime (5181383) 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, 7992 + ... + 8615.
It is an arithmetic number, because the mean of its divisors is an integer number (435960).
Almost surely, 25181384 is an apocalyptic number.
It is an amenable number.
5181384 is an abundant number, since it is smaller than the sum of its proper divisors (8769336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5181384 is a wasteful number, since it uses less digits than its factorization.
5181384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16629 (or 16625 counting only the distinct ones).
The product of its digits is 3840, while the sum is 30.
The square root of 5181384 is about 2276.2653623864. The cubic root of 5181384 is about 173.0408314639.
It can be divided in two parts, 5181 and 384, that added together give a triangular number (5565 = T105).
The spelling of 5181384 in words is "five million, one hundred eighty-one thousand, three hundred eighty-four".
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