Base | Representation |
---|---|
bin | 1100101010000… |
… | …0000110000111 |
3 | 10200212222022111 |
4 | 3022200012013 |
5 | 102042201201 |
6 | 5133441451 |
7 | 1213132312 |
oct | 312400607 |
9 | 120788274 |
10 | 53084551 |
11 | 27a68233 |
12 | 15940287 |
13 | acc83a0 |
14 | 709b979 |
15 | 49d8b51 |
hex | 32a0187 |
53084551 has 4 divisors (see below), whose sum is σ = 57167992. Its totient is φ = 49001112.
The previous prime is 53084539. The next prime is 53084561. The reversal of 53084551 is 15548035.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15548035 = 5 ⋅3109607.
It is a cyclic number.
It is not a de Polignac number, because 53084551 - 29 = 53084039 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 (53084561) 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, 2041701 + ... + 2041726.
It is an arithmetic number, because the mean of its divisors is an integer number (14291998).
Almost surely, 253084551 is an apocalyptic number.
53084551 is a deficient number, since it is larger than the sum of its proper divisors (4083441).
53084551 is a wasteful number, since it uses less digits than its factorization.
53084551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4083440.
The product of its (nonzero) digits is 12000, while the sum is 31.
The square root of 53084551 is about 7285.9145616731. The cubic root of 53084551 is about 375.8282162889.
It can be divided in two parts, 53084 and 551, that added together give a palindrome (53635).
The spelling of 53084551 in words is "fifty-three million, eighty-four thousand, five hundred fifty-one".
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