Base | Representation |
---|---|
bin | 11111000001000001000100 |
3 | 120022002010101 |
4 | 133001001010 |
5 | 4040140003 |
6 | 450133444 |
7 | 126052312 |
oct | 37010104 |
9 | 16262111 |
10 | 8130628 |
11 | 4653730 |
12 | 2881284 |
13 | 18b8a2c |
14 | 11190b2 |
15 | aa911d |
hex | 7c1044 |
8130628 has 24 divisors (see below), whose sum is σ = 15904224. Its totient is φ = 3604800.
The previous prime is 8130611. The next prime is 8130631. The reversal of 8130628 is 8260318.
It is a super-2 number, since 2×81306282 = 132214223348768, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 8130596 and 8130605.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450 + ... + 4057.
It is an arithmetic number, because the mean of its divisors is an integer number (662676).
Almost surely, 28130628 is an apocalyptic number.
It is an amenable number.
8130628 is a deficient number, since it is larger than the sum of its proper divisors (7773596).
8130628 is a wasteful number, since it uses less digits than its factorization.
8130628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4563 (or 4561 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 8130628 is about 2851.4256083580. The cubic root of 8130628 is about 201.0826949485.
The spelling of 8130628 in words is "eight million, one hundred thirty thousand, six hundred twenty-eight".
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