Base | Representation |
---|---|
bin | 11110100001110101001010 |
3 | 120001120220100 |
4 | 132201311022 |
5 | 4022043030 |
6 | 443310230 |
7 | 125011020 |
oct | 36416512 |
9 | 16046810 |
10 | 8002890 |
11 | 4576765 |
12 | 281b376 |
13 | 187284c |
14 | 10c4710 |
15 | a81360 |
hex | 7a1d4a |
8002890 has 48 divisors (see below), whose sum is σ = 23781888. Its totient is φ = 1829088.
The previous prime is 8002847. The next prime is 8002931. The reversal of 8002890 is 982008.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5722 + ... + 6981.
It is an arithmetic number, because the mean of its divisors is an integer number (495456).
Almost surely, 28002890 is an apocalyptic number.
8002890 is an abundant number, since it is smaller than the sum of its proper divisors (15778998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8002890 is a wasteful number, since it uses less digits than its factorization.
8002890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12723 (or 12720 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 8002890 is about 2828.9379632647. The cubic root of 8002890 is about 200.0240804339.
Adding to 8002890 its reverse (982008), we get a palindrome (8984898).
The spelling of 8002890 in words is "eight million, two thousand, eight hundred ninety".
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