Base | Representation |
---|---|
bin | 11000101011000111001000 |
3 | 110011121111001 |
4 | 120223013020 |
5 | 3123434130 |
6 | 350344344 |
7 | 105656155 |
oct | 30530710 |
9 | 13147431 |
10 | 6468040 |
11 | 3718597 |
12 | 21bb0b4 |
13 | 1456057 |
14 | c0522c |
15 | 87b6ca |
hex | 62b1c8 |
6468040 has 32 divisors (see below), whose sum is σ = 14706360. Its totient is φ = 2560000.
The previous prime is 6468031. The next prime is 6468053. The reversal of 6468040 is 408646.
It can be written as a sum of positive squares in 4 ways, for example, as 6220036 + 248004 = 2494^2 + 498^2 .
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, 3240 + ... + 4840.
Almost surely, 26468040 is an apocalyptic number.
It is an amenable number.
6468040 is an abundant number, since it is smaller than the sum of its proper divisors (8238320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6468040 is a wasteful number, since it uses less digits than its factorization.
6468040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1713 (or 1709 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 6468040 is about 2543.2341614566. The cubic root of 6468040 is about 186.3191806424.
The spelling of 6468040 in words is "six million, four hundred sixty-eight thousand, forty".
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