Base | Representation |
---|---|
bin | 1100011100001… |
… | …1010100000000 |
3 | 10122012000210220 |
4 | 3013003110000 |
5 | 101324231344 |
6 | 5102223040 |
7 | 1202344635 |
oct | 307032400 |
9 | 118160726 |
10 | 52180224 |
11 | 274aa858 |
12 | 15584a80 |
13 | aa6c895 |
14 | 6d0418c |
15 | 48aac19 |
hex | 31c3500 |
52180224 has 36 divisors (see below), whose sum is σ = 138877536. Its totient is φ = 17393152.
The previous prime is 52180217. The next prime is 52180229. The reversal of 52180224 is 42208125.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 52180194 and 52180203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52180229) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33204 + ... + 34739.
Almost surely, 252180224 is an apocalyptic number.
It is an amenable number.
52180224 is an abundant number, since it is smaller than the sum of its proper divisors (86697312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52180224 is an equidigital number, since it uses as much as digits as its factorization.
52180224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67962 (or 67948 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 24.
The square root of 52180224 is about 7223.5880281201. The cubic root of 52180224 is about 373.6818287838.
Adding to 52180224 its reverse (42208125), we get a palindrome (94388349).
The spelling of 52180224 in words is "fifty-two million, one hundred eighty thousand, two hundred twenty-four".
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