Base | Representation |
---|---|
bin | 100110010010110… |
… | …011001001011101 |
3 | 1122202220110121001 |
4 | 212102303021131 |
5 | 2303432243201 |
6 | 143430110301 |
7 | 21630560635 |
oct | 4622631135 |
9 | 1582813531 |
10 | 642462301 |
11 | 2aa720488 |
12 | 15b1ab391 |
13 | a3145110 |
14 | 6147b6c5 |
15 | 3b609301 |
hex | 264b325d |
642462301 has 4 divisors (see below), whose sum is σ = 691882492. Its totient is φ = 593042112.
The previous prime is 642462299. The next prime is 642462311. The reversal of 642462301 is 103264246.
642462301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 154008100 + 488454201 = 12410^2 + 22101^2 .
It is not a de Polignac number, because 642462301 - 21 = 642462299 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 642462301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (642462311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24710076 + ... + 24710101.
It is an arithmetic number, because the mean of its divisors is an integer number (172970623).
Almost surely, 2642462301 is an apocalyptic number.
It is an amenable number.
642462301 is a deficient number, since it is larger than the sum of its proper divisors (49420191).
642462301 is a wasteful number, since it uses less digits than its factorization.
642462301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49420190.
The product of its (nonzero) digits is 6912, while the sum is 28.
The square root of 642462301 is about 25346.8400594630. The cubic root of 642462301 is about 862.8776422581.
The spelling of 642462301 in words is "six hundred forty-two million, four hundred sixty-two thousand, three hundred one".
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