Base | Representation |
---|---|
bin | 1101000011100… |
… | …0000111001000 |
3 | 10211000212211000 |
4 | 3100320013020 |
5 | 103004141114 |
6 | 5233335000 |
7 | 1233262566 |
oct | 320700710 |
9 | 124025730 |
10 | 54755784 |
11 | 289a9916 |
12 | 16407460 |
13 | b461c95 |
14 | 73b4a36 |
15 | 4c18e09 |
hex | 34381c8 |
54755784 has 64 divisors (see below), whose sum is σ = 155001600. Its totient is φ = 17903808.
The previous prime is 54755783. The next prime is 54755797. The reversal of 54755784 is 48755745.
54755784 is a `hidden beast` number, since 5 + 4 + 75 + 578 + 4 = 666.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (54755783) 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, 9057 + ... + 13839.
It is an arithmetic number, because the mean of its divisors is an integer number (2421900).
Almost surely, 254755784 is an apocalyptic number.
54755784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54755784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77500800).
54755784 is an abundant number, since it is smaller than the sum of its proper divisors (100245816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54755784 is a wasteful number, since it uses less digits than its factorization.
54755784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4851 (or 4841 counting only the distinct ones).
The product of its digits is 784000, while the sum is 45.
The square root of 54755784 is about 7399.7151296520. The cubic root of 54755784 is about 379.7315370657.
The spelling of 54755784 in words is "fifty-four million, seven hundred fifty-five thousand, seven hundred eighty-four".
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