Base | Representation |
---|---|
bin | 100110101000… |
… | …110000101100 |
3 | 201001120120222 |
4 | 212220300230 |
5 | 10043102203 |
6 | 1001030512 |
7 | 152042642 |
oct | 46506054 |
9 | 21046528 |
10 | 10128428 |
11 | 5798702 |
12 | 3485438 |
13 | 213816b |
14 | 14b9192 |
15 | d51038 |
hex | 9a8c2c |
10128428 has 6 divisors (see below), whose sum is σ = 17724756. Its totient is φ = 5064212.
The previous prime is 10128427. The next prime is 10128431. The reversal of 10128428 is 82482101.
It is a junction number, because it is equal to n+sod(n) for n = 10128397 and 10128406.
It is not an unprimeable number, because it can be changed into a prime (10128421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266050 + ... + 1266057.
It is an arithmetic number, because the mean of its divisors is an integer number (2954126).
Almost surely, 210128428 is an apocalyptic number.
It is an amenable number.
10128428 is a deficient number, since it is larger than the sum of its proper divisors (7596328).
10128428 is a wasteful number, since it uses less digits than its factorization.
10128428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2532111 (or 2532109 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 26.
The square root of 10128428 is about 3182.5191279865. The cubic root of 10128428 is about 216.3618477618.
The spelling of 10128428 in words is "ten million, one hundred twenty-eight thousand, four hundred twenty-eight".
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