Base | Representation |
---|---|
bin | 1100111010000… |
… | …1111011001100 |
3 | 10202212121222011 |
4 | 3032201323030 |
5 | 102324444440 |
6 | 5212231004 |
7 | 1225121242 |
oct | 316417314 |
9 | 122777864 |
10 | 54140620 |
11 | 28619716 |
12 | 1616b464 |
13 | b2a7c91 |
14 | 7294792 |
15 | 4b469ea |
hex | 33a1ecc |
54140620 has 48 divisors (see below), whose sum is σ = 121883328. Its totient is φ = 20148480.
The previous prime is 54140617. The next prime is 54140687. The reversal of 54140620 is 2604145.
It is a junction number, because it is equal to n+sod(n) for n = 54140591 and 54140600.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15430 + ... + 18610.
It is an arithmetic number, because the mean of its divisors is an integer number (2539236).
Almost surely, 254140620 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 54140620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60941664).
54140620 is an abundant number, since it is smaller than the sum of its proper divisors (67742708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54140620 is a wasteful number, since it uses less digits than its factorization.
54140620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3250 (or 3248 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 54140620 is about 7358.0309866159. The cubic root of 54140620 is about 378.3041233613.
Adding to 54140620 its reverse (2604145), we get a palindrome (56744765).
The spelling of 54140620 in words is "fifty-four million, one hundred forty thousand, six hundred twenty".
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