Base | Representation |
---|---|
bin | 1100101011111… |
… | …1111101111111 |
3 | 10201010121101202 |
4 | 3022333331333 |
5 | 102110340403 |
6 | 5140330115 |
7 | 1214215034 |
oct | 312777577 |
9 | 121117352 |
10 | 53215103 |
11 | 28047327 |
12 | 159a393b |
13 | b042936 |
14 | 70d338b |
15 | 4a12688 |
hex | 32bff7f |
53215103 has 8 divisors (see below), whose sum is σ = 53677728. Its totient is φ = 52754944.
The previous prime is 53215091. The next prime is 53215121. The reversal of 53215103 is 30151235.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 53215103 - 26 = 53215039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53215133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81926 + ... + 82572.
It is an arithmetic number, because the mean of its divisors is an integer number (6709716).
Almost surely, 253215103 is an apocalyptic number.
53215103 is a deficient number, since it is larger than the sum of its proper divisors (462625).
53215103 is a wasteful number, since it uses less digits than its factorization.
53215103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1233.
The product of its (nonzero) digits is 450, while the sum is 20.
The square root of 53215103 is about 7294.8682647461. The cubic root of 53215103 is about 376.1360582563.
Adding to 53215103 its reverse (30151235), we get a palindrome (83366338).
The spelling of 53215103 in words is "fifty-three million, two hundred fifteen thousand, one hundred three".
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