Base | Representation |
---|---|
bin | 11110101000101100110100 |
3 | 120010000111111 |
4 | 132220230310 |
5 | 4023443103 |
6 | 444044404 |
7 | 125156035 |
oct | 36505464 |
9 | 16100444 |
10 | 8031028 |
11 | 4595915 |
12 | 2833704 |
13 | 18825b5 |
14 | 10d0a8c |
15 | a8986d |
hex | 7a8b34 |
8031028 has 12 divisors (see below), whose sum is σ = 14539140. Its totient is φ = 3876992.
The previous prime is 8031019. The next prime is 8031083. The reversal of 8031028 is 8201308.
It can be written as a sum of positive squares in 2 ways, for example, as 6749604 + 1281424 = 2598^2 + 1132^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34501 + ... + 34732.
It is an arithmetic number, because the mean of its divisors is an integer number (1211595).
Almost surely, 28031028 is an apocalyptic number.
It is an amenable number.
8031028 is a deficient number, since it is larger than the sum of its proper divisors (6508112).
8031028 is a wasteful number, since it uses less digits than its factorization.
8031028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69266 (or 69264 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 8031028 is about 2833.9068439171. The cubic root of 8031028 is about 200.2582331015.
The spelling of 8031028 in words is "eight million, thirty-one thousand, twenty-eight".
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