Base | Representation |
---|---|
bin | 1101000011011… |
… | …1001001100000 |
3 | 10211000200101221 |
4 | 3100313021200 |
5 | 103004024330 |
6 | 5233304424 |
7 | 1233245233 |
oct | 320671140 |
9 | 124020357 |
10 | 54751840 |
11 | 289a6960 |
12 | 16405114 |
13 | b460250 |
14 | 73b341a |
15 | 4c17b7a |
hex | 3437260 |
54751840 has 96 divisors (see below), whose sum is σ = 152028576. Its totient is φ = 18370560.
The previous prime is 54751811. The next prime is 54751841. The reversal of 54751840 is 4815745.
It is a junction number, because it is equal to n+sod(n) for n = 54751796 and 54751805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54751841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21684 + ... + 24076.
It is an arithmetic number, because the mean of its divisors is an integer number (1583631).
Almost surely, 254751840 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 54751840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76014288).
54751840 is an abundant number, since it is smaller than the sum of its proper divisors (97276736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54751840 is a wasteful number, since it uses less digits than its factorization.
54751840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2432 (or 2424 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 34.
The square root of 54751840 is about 7399.4486281074. The cubic root of 54751840 is about 379.7224196293.
The spelling of 54751840 in words is "fifty-four million, seven hundred fifty-one thousand, eight hundred forty".
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