Base | Representation |
---|---|
bin | 1100111010011… |
… | …0010110010100 |
3 | 10202220112211021 |
4 | 3032212112110 |
5 | 102331034430 |
6 | 5212450524 |
7 | 1225225126 |
oct | 316462624 |
9 | 122815737 |
10 | 54158740 |
11 | 28631299 |
12 | 16179a44 |
13 | b2b32bc |
14 | 729b216 |
15 | 4b4c07a |
hex | 33a6594 |
54158740 has 48 divisors (see below), whose sum is σ = 120355200. Its totient is φ = 20414592.
The previous prime is 54158737. The next prime is 54158803. The reversal of 54158740 is 4785145.
54158740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 54158696 and 54158705.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136222 + ... + 136618.
It is an arithmetic number, because the mean of its divisors is an integer number (2507400).
Almost surely, 254158740 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 54158740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60177600).
54158740 is an abundant number, since it is smaller than the sum of its proper divisors (66196460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54158740 is a wasteful number, since it uses less digits than its factorization.
54158740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 784 (or 782 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 34.
The square root of 54158740 is about 7359.2621912798. The cubic root of 54158740 is about 378.3463227679.
The spelling of 54158740 in words is "fifty-four million, one hundred fifty-eight thousand, seven hundred forty".
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