Base | Representation |
---|---|
bin | 1101000011100… |
… | …0110101000000 |
3 | 10211001000211202 |
4 | 3100320311000 |
5 | 103004234340 |
6 | 5233400332 |
7 | 1233304262 |
oct | 320706500 |
9 | 124030752 |
10 | 54758720 |
11 | 28a01045 |
12 | 164090a8 |
13 | b463413 |
14 | 73b5b32 |
15 | 4c19c15 |
hex | 3438d40 |
54758720 has 56 divisors (see below), whose sum is σ = 131173728. Its totient is φ = 21772800.
The previous prime is 54758719. The next prime is 54758747. The reversal of 54758720 is 2785745.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67115 + ... + 67925.
It is an arithmetic number, because the mean of its divisors is an integer number (2342388).
Almost surely, 254758720 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 54758720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65586864).
54758720 is an abundant number, since it is smaller than the sum of its proper divisors (76415008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54758720 is a wasteful number, since it uses less digits than its factorization.
54758720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1039 (or 1029 counting only the distinct ones).
The product of its (nonzero) digits is 78400, while the sum is 38.
The square root of 54758720 is about 7399.9135130081. The cubic root of 54758720 is about 379.7383240009.
The spelling of 54758720 in words is "fifty-four million, seven hundred fifty-eight thousand, seven hundred twenty".
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