Base | Representation |
---|---|
bin | 11110100010010… |
… | …001001111111100 |
3 | 1022200222112112010 |
4 | 132202101033330 |
5 | 2022122100103 |
6 | 122500211220 |
7 | 15460323042 |
oct | 3642211774 |
9 | 1280875463 |
10 | 512300028 |
11 | 2431a8659 |
12 | 123699b10 |
13 | 821a0816 |
14 | 4c078392 |
15 | 2ee97903 |
hex | 1e8913fc |
512300028 has 24 divisors (see below), whose sum is σ = 1201379200. Its totient is φ = 169907760.
The previous prime is 512300027. The next prime is 512300081. The reversal of 512300028 is 820003215.
It is a junction number, because it is equal to n+sod(n) for n = 512299977 and 512300013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (512300027) 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, 104878 + ... + 109653.
Almost surely, 2512300028 is an apocalyptic number.
It is an amenable number.
512300028 is an abundant number, since it is smaller than the sum of its proper divisors (689079172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512300028 is a wasteful number, since it uses less digits than its factorization.
512300028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214737 (or 214735 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 512300028 is about 22634.0457718014. The cubic root of 512300028 is about 800.1562340700.
The spelling of 512300028 in words is "five hundred twelve million, three hundred thousand, twenty-eight".
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