Base | Representation |
---|---|
bin | 1100111001001… |
… | …0101101111010 |
3 | 10202202110112010 |
4 | 3032102231322 |
5 | 102321001310 |
6 | 5211030350 |
7 | 1224441525 |
oct | 316225572 |
9 | 122673463 |
10 | 54078330 |
11 | 28586939 |
12 | 1613b3b6 |
13 | b285817 |
14 | 7279bbc |
15 | 4b33320 |
hex | 3392b7a |
54078330 has 64 divisors (see below), whose sum is σ = 136598400. Its totient is φ = 13681920.
The previous prime is 54078317. The next prime is 54078331. The reversal of 54078330 is 3387045.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (54078331) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52561 + ... + 53579.
It is an arithmetic number, because the mean of its divisors is an integer number (2134350).
Almost surely, 254078330 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54078330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68299200).
54078330 is an abundant number, since it is smaller than the sum of its proper divisors (82520070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54078330 is a wasteful number, since it uses less digits than its factorization.
54078330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1119.
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 54078330 is about 7353.7969784323. The cubic root of 54078330 is about 378.1589852203.
The spelling of 54078330 in words is "fifty-four million, seventy-eight thousand, three hundred thirty".
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