Base | Representation |
---|---|
bin | 1100111001001… |
… | …1011111110100 |
3 | 10202202121220102 |
4 | 3032103133310 |
5 | 102321102044 |
6 | 5211053232 |
7 | 1224454040 |
oct | 316233764 |
9 | 122677812 |
10 | 54081524 |
11 | 28589282 |
12 | 16141218 |
13 | b287103 |
14 | 727b020 |
15 | 4b3424e |
hex | 33937f4 |
54081524 has 48 divisors (see below), whose sum is σ = 115852800. Its totient is φ = 21573216.
The previous prime is 54081509. The next prime is 54081527. The reversal of 54081524 is 42518045.
It is a super-2 number, since 2×540815242 = 5849622476325152, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54081527) 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, 30527 + ... + 32249.
It is an arithmetic number, because the mean of its divisors is an integer number (2413600).
Almost surely, 254081524 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 54081524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57926400).
54081524 is an abundant number, since it is smaller than the sum of its proper divisors (61771276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54081524 is a wasteful number, since it uses less digits than its factorization.
54081524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1812 (or 1810 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 29.
The square root of 54081524 is about 7354.0141419500. The cubic root of 54081524 is about 378.1664300756.
Adding to 54081524 its reverse (42518045), we get a palindrome (96599569).
The spelling of 54081524 in words is "fifty-four million, eighty-one thousand, five hundred twenty-four".
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