Base | Representation |
---|---|
bin | 1100111011000… |
… | …0100101000000 |
3 | 10202222200022010 |
4 | 3032300211000 |
5 | 102333410030 |
6 | 5213412520 |
7 | 1225461234 |
oct | 316604500 |
9 | 122880263 |
10 | 54200640 |
11 | 2865a81a |
12 | 1619a140 |
13 | b2c93b0 |
14 | 72ac5c4 |
15 | 4b596b0 |
hex | 33b0940 |
54200640 has 224 divisors, whose sum is σ = 191511936. Its totient is φ = 12902400.
The previous prime is 54200633. The next prime is 54200651. The reversal of 54200640 is 4600245.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536590 + ... + 536690.
It is an arithmetic number, because the mean of its divisors is an integer number (854964).
Almost surely, 254200640 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 54200640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95755968).
54200640 is an abundant number, since it is smaller than the sum of its proper divisors (137311296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54200640 is a wasteful number, since it uses less digits than its factorization.
54200640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177 (or 167 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 54200640 is about 7362.1083936601. The cubic root of 54200640 is about 378.4438670395.
Adding to 54200640 its reverse (4600245), we get a palindrome (58800885).
The spelling of 54200640 in words is "fifty-four million, two hundred thousand, six hundred forty".
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