Base | Representation |
---|---|
bin | 1101000110010… |
… | …0010010011000 |
3 | 10211101002000122 |
4 | 3101210102120 |
5 | 103030433403 |
6 | 5241252412 |
7 | 1234645250 |
oct | 321442230 |
9 | 124332018 |
10 | 54936728 |
11 | 29012860 |
12 | 16494108 |
13 | b4c6452 |
14 | 7420960 |
15 | 4c52838 |
hex | 3464498 |
54936728 has 64 divisors (see below), whose sum is σ = 129841920. Its totient is φ = 21168000.
The previous prime is 54936727. The next prime is 54936751. The reversal of 54936728 is 82763945.
It is a Harshad number since it is a multiple of its sum of digits (44).
Its product of digits (362880) is a multiple of the sum of its prime factors (1008).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54936727) 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, 61775 + ... + 62657.
It is an arithmetic number, because the mean of its divisors is an integer number (2028780).
Almost surely, 254936728 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 54936728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64920960).
54936728 is an abundant number, since it is smaller than the sum of its proper divisors (74905192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54936728 is a wasteful number, since it uses less digits than its factorization.
54936728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1008 (or 1004 counting only the distinct ones).
The product of its digits is 362880, while the sum is 44.
The square root of 54936728 is about 7411.9314621764. The cubic root of 54936728 is about 380.1493595689.
It can be divided in two parts, 5493 and 6728, that added together give a palindrome (12221).
The spelling of 54936728 in words is "fifty-four million, nine hundred thirty-six thousand, seven hundred twenty-eight".
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