Base | Representation |
---|---|
bin | 100110010001010… |
… | …100111101000010 |
3 | 1122202011212100110 |
4 | 212101110331002 |
5 | 2303332421412 |
6 | 143413532150 |
7 | 21624363045 |
oct | 4621247502 |
9 | 1582155313 |
10 | 642076482 |
11 | 2aa487623 |
12 | 15b044056 |
13 | a303b618 |
14 | 613bac5c |
15 | 3b57ed3c |
hex | 26454f42 |
642076482 has 32 divisors (see below), whose sum is σ = 1318343040. Its totient is φ = 208350080.
The previous prime is 642076471. The next prime is 642076483. The reversal of 642076482 is 284670246.
It is a self number, because there is not a number n which added to its sum of digits gives 642076482.
It is not an unprimeable number, because it can be changed into a prime (642076483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121144 + ... + 126332.
It is an arithmetic number, because the mean of its divisors is an integer number (41198220).
Almost surely, 2642076482 is an apocalyptic number.
642076482 is an abundant number, since it is smaller than the sum of its proper divisors (676266558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
642076482 is a wasteful number, since it uses less digits than its factorization.
642076482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5738.
The product of its (nonzero) digits is 129024, while the sum is 39.
The square root of 642076482 is about 25339.2281255764. The cubic root of 642076482 is about 862.7048792012.
The spelling of 642076482 in words is "six hundred forty-two million, seventy-six thousand, four hundred eighty-two".
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