Base | Representation |
---|---|
bin | 11110100100010011011010 |
3 | 120002002210110 |
4 | 132210103122 |
5 | 4022404033 |
6 | 443425150 |
7 | 125052366 |
oct | 36442332 |
9 | 16062713 |
10 | 8013018 |
11 | 4583332 |
12 | 28251b6 |
13 | 1877340 |
14 | 10c82a6 |
15 | a84363 |
hex | 7a44da |
8013018 has 32 divisors (see below), whose sum is σ = 18277056. Its totient is φ = 2320128.
The previous prime is 8013013. The next prime is 8013029. The reversal of 8013018 is 8103108.
It is a happy number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 8012985 and 8013003.
It is not an unprimeable number, because it can be changed into a prime (8013013) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696 + ... + 4347.
It is an arithmetic number, because the mean of its divisors is an integer number (571158).
Almost surely, 28013018 is an apocalyptic number.
8013018 is an abundant number, since it is smaller than the sum of its proper divisors (10264038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8013018 is a wasteful number, since it uses less digits than its factorization.
8013018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6078.
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 8013018 is about 2830.7274683374. The cubic root of 8013018 is about 200.1084245433.
The spelling of 8013018 in words is "eight million, thirteen thousand, eighteen".
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