Base | Representation |
---|---|
bin | 1101000011010… |
… | …0010010101100 |
3 | 10211000002100121 |
4 | 3100310102230 |
5 | 103003141030 |
6 | 5233134324 |
7 | 1233166150 |
oct | 320642254 |
9 | 124002317 |
10 | 54740140 |
11 | 28999094 |
12 | 163ba3a4 |
13 | b457b20 |
14 | 73ad060 |
15 | 4c1447a |
hex | 34344ac |
54740140 has 96 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 16402176.
The previous prime is 54740123. The next prime is 54740143. The reversal of 54740140 is 4104745.
It is not an unprimeable number, because it can be changed into a prime (54740143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33789 + ... + 35371.
It is an arithmetic number, because the mean of its divisors is an integer number (1552320).
Almost surely, 254740140 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54740140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74511360).
54740140 is an abundant number, since it is smaller than the sum of its proper divisors (94282580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54740140 is a wasteful number, since it uses less digits than its factorization.
54740140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1631 (or 1629 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 25.
The square root of 54740140 is about 7398.6579864189. The cubic root of 54740140 is about 379.6953698911.
Adding to 54740140 its reverse (4104745), we get a palindrome (58844885).
The spelling of 54740140 in words is "fifty-four million, seven hundred forty thousand, one hundred forty".
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