Base | Representation |
---|---|
bin | 1100100101101… |
… | …0101010010000 |
3 | 10200100112011220 |
4 | 3021122222100 |
5 | 102004101034 |
6 | 5123405040 |
7 | 1210536165 |
oct | 311325220 |
9 | 120315156 |
10 | 52800144 |
11 | 27893591 |
12 | 15823780 |
13 | ac28ab7 |
14 | 702606c |
15 | 497e749 |
hex | 325aa90 |
52800144 has 40 divisors (see below), whose sum is σ = 138330432. Its totient is φ = 17351040.
The previous prime is 52800133. The next prime is 52800151. The reversal of 52800144 is 44100825.
It is a Harshad number since it is a multiple of its sum of digits (24).
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 7 ways as a sum of consecutive naturals, for example, 4339 + ... + 11154.
Almost surely, 252800144 is an apocalyptic number.
It is an amenable number.
52800144 is an abundant number, since it is smaller than the sum of its proper divisors (85530288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52800144 is a wasteful number, since it uses less digits than its factorization.
52800144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15575 (or 15569 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 24.
The square root of 52800144 is about 7266.3707585011. The cubic root of 52800144 is about 375.1558321235.
Adding to 52800144 its reverse (44100825), we get a palindrome (96900969).
The spelling of 52800144 in words is "fifty-two million, eight hundred thousand, one hundred forty-four".
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