Base | Representation |
---|---|
bin | 1100100111000… |
… | …0100111000110 |
3 | 10200112002111220 |
4 | 3021300213012 |
5 | 102014440204 |
6 | 5125341210 |
7 | 1211362260 |
oct | 311604706 |
9 | 120462456 |
10 | 52890054 |
11 | 27945098 |
12 | 15867806 |
13 | ac5a9b9 |
14 | 704ab30 |
15 | 499b1d9 |
hex | 32709c6 |
52890054 has 16 divisors (see below), whose sum is σ = 120891648. Its totient is φ = 15111432.
The previous prime is 52890049. The next prime is 52890059. The reversal of 52890054 is 45009825.
It is an interprime number because it is at equal distance from previous prime (52890049) and next prime (52890059).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 52889997 and 52890024.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52890059) 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, 629602 + ... + 629685.
It is an arithmetic number, because the mean of its divisors is an integer number (7555728).
Almost surely, 252890054 is an apocalyptic number.
52890054 is an abundant number, since it is smaller than the sum of its proper divisors (68001594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52890054 is a wasteful number, since it uses less digits than its factorization.
52890054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1259299.
The product of its (nonzero) digits is 14400, while the sum is 33.
The square root of 52890054 is about 7272.5548468197. The cubic root of 52890054 is about 375.3686543540.
Adding to 52890054 its reverse (45009825), we get a palindrome (97899879).
The spelling of 52890054 in words is "fifty-two million, eight hundred ninety thousand, fifty-four".
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