Base | Representation |
---|---|
bin | 1100011011110… |
… | …0101010111100 |
3 | 10122010122111100 |
4 | 3012330222330 |
5 | 101322344040 |
6 | 5101453100 |
7 | 1202202423 |
oct | 306745274 |
9 | 118118440 |
10 | 52153020 |
11 | 27491377 |
12 | 15571190 |
13 | aa6039a |
14 | 6cd82ba |
15 | 48a2b30 |
hex | 31bcabc |
52153020 has 144 divisors (see below), whose sum is σ = 166944960. Its totient is φ = 13160448.
The previous prime is 52153019. The next prime is 52153051. The reversal of 52153020 is 2035125.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 52152984 and 52153002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 506289 + ... + 506391.
It is an arithmetic number, because the mean of its divisors is an integer number (1159340).
Almost surely, 252153020 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 52153020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83472480).
52153020 is an abundant number, since it is smaller than the sum of its proper divisors (114791940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52153020 is a wasteful number, since it uses less digits than its factorization.
52153020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244 (or 239 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 52153020 is about 7221.7047848829. The cubic root of 52153020 is about 373.6168782028.
Adding to 52153020 its reverse (2035125), we get a palindrome (54188145).
The spelling of 52153020 in words is "fifty-two million, one hundred fifty-three thousand, twenty".
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