Base | Representation |
---|---|
bin | 1100111010101… |
… | …1110111111000 |
3 | 10202221200212100 |
4 | 3032223313320 |
5 | 102332300433 |
6 | 5213143400 |
7 | 1225351113 |
oct | 316536770 |
9 | 122850770 |
10 | 54181368 |
11 | 2864729a |
12 | 1618ab60 |
13 | b2c06a7 |
14 | 72a557a |
15 | 4b53b13 |
hex | 33abdf8 |
54181368 has 24 divisors (see below), whose sum is σ = 146741400. Its totient is φ = 18060432.
The previous prime is 54181339. The next prime is 54181409. The reversal of 54181368 is 86318145.
54181368 is a `hidden beast` number, since 541 + 81 + 36 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376188 + ... + 376331.
It is an arithmetic number, because the mean of its divisors is an integer number (6114225).
Almost surely, 254181368 is an apocalyptic number.
It is an amenable number.
54181368 is an abundant number, since it is smaller than the sum of its proper divisors (92560032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54181368 is a wasteful number, since it uses less digits than its factorization.
54181368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 752531 (or 752524 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 54181368 is about 7360.7994131072. The cubic root of 54181368 is about 378.3990075765.
It can be divided in two parts, 5418 and 1368, that added together give a triangular number (6786 = T116).
The spelling of 54181368 in words is "fifty-four million, one hundred eighty-one thousand, three hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •