Base | Representation |
---|---|
bin | 100000100101… |
… | …011110110000 |
3 | 121001222121010 |
4 | 200211132300 |
5 | 4141322003 |
6 | 503030520 |
7 | 132415110 |
oct | 40453660 |
9 | 17058533 |
10 | 8542128 |
11 | 4904911 |
12 | 2a3b440 |
13 | 1a0111a |
14 | 11c5040 |
15 | b3b003 |
hex | 8257b0 |
8542128 has 40 divisors (see below), whose sum is σ = 25220608. Its totient is φ = 2440512.
The previous prime is 8542069. The next prime is 8542129. The reversal of 8542128 is 8212458.
8542128 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 8542095 and 8542104.
It is not an unprimeable number, because it can be changed into a prime (8542129) 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, 12376 + ... + 13047.
Almost surely, 28542128 is an apocalyptic number.
It is an amenable number.
8542128 is an abundant number, since it is smaller than the sum of its proper divisors (16678480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8542128 is a wasteful number, since it uses less digits than its factorization.
8542128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25441 (or 25435 counting only the distinct ones).
The product of its digits is 5120, while the sum is 30.
The square root of 8542128 is about 2922.6919098667. The cubic root of 8542128 is about 204.4193603265.
The spelling of 8542128 in words is "eight million, five hundred forty-two thousand, one hundred twenty-eight".
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