Base | Representation |
---|---|
bin | 1100101001110… |
… | …0100110000010 |
3 | 10200212020122100 |
4 | 3022130212002 |
5 | 102041221320 |
6 | 5133251230 |
7 | 1213042434 |
oct | 312344602 |
9 | 120766570 |
10 | 53070210 |
11 | 27a58486 |
12 | 15933b16 |
13 | acc19bb |
14 | 7096654 |
15 | 49d4790 |
hex | 329c982 |
53070210 has 48 divisors (see below), whose sum is σ = 141720696. Its totient is φ = 13768704.
The previous prime is 53070187. The next prime is 53070221. The reversal of 53070210 is 1207035.
It can be written as a sum of positive squares in 4 ways, for example, as 52142841 + 927369 = 7221^2 + 963^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
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 23 ways as a sum of consecutive naturals, for example, 4639 + ... + 11298.
Almost surely, 253070210 is an apocalyptic number.
53070210 is an abundant number, since it is smaller than the sum of its proper divisors (88650486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53070210 is a wasteful number, since it uses less digits than its factorization.
53070210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15987 (or 15984 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 18.
The square root of 53070210 is about 7284.9303359744. The cubic root of 53070210 is about 375.7943694178.
Adding to 53070210 its reverse (1207035), we get a palindrome (54277245).
The spelling of 53070210 in words is "fifty-three million, seventy thousand, two hundred ten".
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