Base | Representation |
---|---|
bin | 1100101011111… |
… | …1011101110011 |
3 | 10201010111120110 |
4 | 3022333131303 |
5 | 102110304133 |
6 | 5140312403 |
7 | 1214206032 |
oct | 312773563 |
9 | 121114513 |
10 | 53213043 |
11 | 28045824 |
12 | 159a2703 |
13 | b041a10 |
14 | 70d2719 |
15 | 4a11c63 |
hex | 32bf773 |
53213043 has 32 divisors (see below), whose sum is σ = 81962496. Its totient is φ = 30417408.
The previous prime is 53212997. The next prime is 53213051. The reversal of 53213043 is 34031235.
It is not a de Polignac number, because 53213043 - 26 = 53212979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (53213063) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54546 + ... + 55512.
It is an arithmetic number, because the mean of its divisors is an integer number (2561328).
Almost surely, 253213043 is an apocalyptic number.
53213043 is a deficient number, since it is larger than the sum of its proper divisors (28749453).
53213043 is a wasteful number, since it uses less digits than its factorization.
53213043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1083.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 53213043 is about 7294.7270682322. The cubic root of 53213043 is about 376.1312046825.
Adding to 53213043 its reverse (34031235), we get a palindrome (87244278).
The spelling of 53213043 in words is "fifty-three million, two hundred thirteen thousand, forty-three".
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