Base | Representation |
---|---|
bin | 1100111011100… |
… | …0101110111000 |
3 | 10210001101010011 |
4 | 3032320232320 |
5 | 102340442130 |
6 | 5214231304 |
7 | 1225660510 |
oct | 316705670 |
9 | 123041104 |
10 | 54234040 |
11 | 28682923 |
12 | 161b5534 |
13 | b30b663 |
14 | 72ba840 |
15 | 4b6452a |
hex | 33b8bb8 |
54234040 has 64 divisors (see below), whose sum is σ = 140817600. Its totient is φ = 18413568.
The previous prime is 54234013. The next prime is 54234041. The reversal of 54234040 is 4043245.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54234041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29632 + ... + 31408.
It is an arithmetic number, because the mean of its divisors is an integer number (2200275).
Almost surely, 254234040 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 54234040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70408800).
54234040 is an abundant number, since it is smaller than the sum of its proper divisors (86583560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54234040 is a wasteful number, since it uses less digits than its factorization.
54234040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1904 (or 1900 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 22.
The square root of 54234040 is about 7364.3764162351. The cubic root of 54234040 is about 378.5215870914.
Adding to 54234040 its reverse (4043245), we get a palindrome (58277285).
The spelling of 54234040 in words is "fifty-four million, two hundred thirty-four thousand, forty".
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