Base | Representation |
---|---|
bin | 1100110100001… |
… | …1110011111000 |
3 | 10202011001011200 |
4 | 3031003303320 |
5 | 102230131003 |
6 | 5200054200 |
7 | 1221624330 |
oct | 315036370 |
9 | 122131150 |
10 | 53755128 |
11 | 28386029 |
12 | 16004360 |
13 | b1a168b |
14 | 71d40c0 |
15 | 4abc6a3 |
hex | 3343cf8 |
53755128 has 48 divisors (see below), whose sum is σ = 166386480. Its totient is φ = 15358464.
The previous prime is 53755127. The next prime is 53755133. The reversal of 53755128 is 82155735.
It is a super-2 number, since 2×537551282 = 5779227572592768, which contains 22 as substring.
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 = 53755092 and 53755101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53755127) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52825 + ... + 53832.
It is an arithmetic number, because the mean of its divisors is an integer number (3466385).
Almost surely, 253755128 is an apocalyptic number.
It is an amenable number.
53755128 is an abundant number, since it is smaller than the sum of its proper divisors (112631352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53755128 is a wasteful number, since it uses less digits than its factorization.
53755128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106676 (or 106669 counting only the distinct ones).
The product of its digits is 42000, while the sum is 36.
The square root of 53755128 is about 7331.7888676639. The cubic root of 53755128 is about 377.4041169871.
The spelling of 53755128 in words is "fifty-three million, seven hundred fifty-five thousand, one hundred twenty-eight".
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