Base | Representation |
---|---|
bin | 1101000011111… |
… | …1001000011110 |
3 | 10211002100021010 |
4 | 3100333020132 |
5 | 103011101132 |
6 | 5234120050 |
7 | 1233442461 |
oct | 320771036 |
9 | 124070233 |
10 | 54784542 |
11 | 28a1948a |
12 | 16420026 |
13 | b4720b7 |
14 | 73c12d8 |
15 | 4c226cc |
hex | 343f21e |
54784542 has 8 divisors (see below), whose sum is σ = 109569096. Its totient is φ = 18261512.
The previous prime is 54784511. The next prime is 54784549. The reversal of 54784542 is 24548745.
It is a sphenic number, since it is the product of 3 distinct primes.
54784542 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 54784542.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54784549) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4565373 + ... + 4565384.
It is an arithmetic number, because the mean of its divisors is an integer number (13696137).
Almost surely, 254784542 is an apocalyptic number.
54784542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54784542 is a wasteful number, since it uses less digits than its factorization.
54784542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9130762.
The product of its digits is 179200, while the sum is 39.
The square root of 54784542 is about 7401.6580574896. The cubic root of 54784542 is about 379.7980043714.
The spelling of 54784542 in words is "fifty-four million, seven hundred eighty-four thousand, five hundred forty-two".
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