Base | Representation |
---|---|
bin | 1100111001111… |
… | …1101101001100 |
3 | 10202212011111120 |
4 | 3032133231030 |
5 | 102324202112 |
6 | 5212120540 |
7 | 1225052610 |
oct | 316375514 |
9 | 122764446 |
10 | 54131532 |
11 | 28612904 |
12 | 16166150 |
13 | b2a3ac0 |
14 | 7291340 |
15 | 4b43e8c |
hex | 339fb4c |
54131532 has 96 divisors (see below), whose sum is σ = 163699200. Its totient is φ = 13519872.
The previous prime is 54131531. The next prime is 54131557. The reversal of 54131532 is 23513145.
It is not an unprimeable number, because it can be changed into a prime (54131531) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19444 + ... + 22052.
It is an arithmetic number, because the mean of its divisors is an integer number (1705200).
Almost surely, 254131532 is an apocalyptic number.
54131532 is a gapful number since it is divisible by the number (52) 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 54131532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81849600).
54131532 is an abundant number, since it is smaller than the sum of its proper divisors (109567668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54131532 is a wasteful number, since it uses less digits than its factorization.
54131532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2655 (or 2653 counting only the distinct ones).
The product of its digits is 1800, while the sum is 24.
The square root of 54131532 is about 7357.4134041795. The cubic root of 54131532 is about 378.2829549037.
Adding to 54131532 its reverse (23513145), we get a palindrome (77644677).
The spelling of 54131532 in words is "fifty-four million, one hundred thirty-one thousand, five hundred thirty-two".
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