Base | Representation |
---|---|
bin | 1100110100001… |
… | …0001011100010 |
3 | 10202010201000100 |
4 | 3031002023202 |
5 | 102224422300 |
6 | 5200003230 |
7 | 1221566010 |
oct | 315021342 |
9 | 122121010 |
10 | 53748450 |
11 | 28381008 |
12 | 16000516 |
13 | b19b622 |
14 | 71d18b0 |
15 | 4aba700 |
hex | 33422e2 |
53748450 has 144 divisors (see below), whose sum is σ = 167596416. Its totient is φ = 12096000.
The previous prime is 53748439. The next prime is 53748481. The reversal of 53748450 is 5484735.
It is an unprimeable number.
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 71 ways as a sum of consecutive naturals, for example, 355875 + ... + 356025.
It is an arithmetic number, because the mean of its divisors is an integer number (1163864).
Almost surely, 253748450 is an apocalyptic number.
53748450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 53748450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83798208).
53748450 is an abundant number, since it is smaller than the sum of its proper divisors (113847966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53748450 is a wasteful number, since it uses less digits than its factorization.
53748450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 289 (or 281 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 36.
The square root of 53748450 is about 7331.3334394229. Note that the first 3 decimals coincide. The cubic root of 53748450 is about 377.3884880344.
It can be divided in two parts, 5374 and 8450, that added together give a cube (13824 = 243).
The spelling of 53748450 in words is "fifty-three million, seven hundred forty-eight thousand, four hundred fifty".
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