Base | Representation |
---|---|
bin | 1100101000101… |
… | …1011101110100 |
3 | 10200201200101220 |
4 | 3022023131310 |
5 | 102032000202 |
6 | 5131550340 |
7 | 1212331050 |
oct | 312133564 |
9 | 120650356 |
10 | 53000052 |
11 | 27a0a7a6 |
12 | 158bb3b0 |
13 | ac98aa1 |
14 | 7078c60 |
15 | 49bdabc |
hex | 328b774 |
53000052 has 48 divisors (see below), whose sum is σ = 146213760. Its totient is φ = 14620032.
The previous prime is 53000047. The next prime is 53000069. The reversal of 53000052 is 25000035.
It is a junction number, because it is equal to n+sod(n) for n = 52999995 and 53000040.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8443 + ... + 13314.
It is an arithmetic number, because the mean of its divisors is an integer number (3046120).
Almost surely, 253000052 is an apocalyptic number.
It is an amenable number.
53000052 is an abundant number, since it is smaller than the sum of its proper divisors (93213708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53000052 is a wasteful number, since it uses less digits than its factorization.
53000052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21800 (or 21798 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 15.
The square root of 53000052 is about 7280.1134606543. The cubic root of 53000052 is about 375.6286982691.
Adding to 53000052 its reverse (25000035), we get a palindrome (78000087).
The spelling of 53000052 in words is "fifty-three million, fifty-two", and thus it is an aban number and an uban number.
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