Base | Representation |
---|---|
bin | 1100110100101… |
… | …0011001110000 |
3 | 10202012102012200 |
4 | 3031022121300 |
5 | 102232012003 |
6 | 5200423200 |
7 | 1222066131 |
oct | 315123160 |
9 | 122172180 |
10 | 53782128 |
11 | 283a4344 |
12 | 16017b00 |
13 | b1b0a5a |
14 | 71ddc88 |
15 | 4ac56a3 |
hex | 334a670 |
53782128 has 30 divisors (see below), whose sum is σ = 150515664. Its totient is φ = 17927328.
The previous prime is 53782111. The next prime is 53782139. The reversal of 53782128 is 82128735.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 53782092 and 53782101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186600 + ... + 186887.
Almost surely, 253782128 is an apocalyptic number.
It is an amenable number.
53782128 is an abundant number, since it is smaller than the sum of its proper divisors (96733536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53782128 is a wasteful number, since it uses less digits than its factorization.
53782128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373501 (or 373492 counting only the distinct ones).
The product of its digits is 26880, while the sum is 36.
The square root of 53782128 is about 7333.6299333959. The cubic root of 53782128 is about 377.4672936300.
The spelling of 53782128 in words is "fifty-three million, seven hundred eighty-two thousand, one hundred twenty-eight".
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