Base | Representation |
---|---|
bin | 100101011011111… |
… | …001101110101101 |
3 | 1121202211022220112 |
4 | 211123321232231 |
5 | 2241241240331 |
6 | 142153425405 |
7 | 21364342532 |
oct | 4533715655 |
9 | 1552738815 |
10 | 628071341 |
11 | 2a2591327 |
12 | 15640b265 |
13 | a0176a61 |
14 | 5d5b2d89 |
15 | 3a21532b |
hex | 256f9bad |
628071341 has 8 divisors (see below), whose sum is σ = 674127864. Its totient is φ = 583027200.
The previous prime is 628071331. The next prime is 628071347. The reversal of 628071341 is 143170826.
It can be written as a sum of positive squares in 4 ways, for example, as 48706441 + 579364900 = 6979^2 + 24070^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-628071341 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 628071298 and 628071307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (628071347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251810 + ... + 254291.
It is an arithmetic number, because the mean of its divisors is an integer number (84265983).
Almost surely, 2628071341 is an apocalyptic number.
It is an amenable number.
628071341 is a deficient number, since it is larger than the sum of its proper divisors (46056523).
628071341 is a wasteful number, since it uses less digits than its factorization.
628071341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 506191.
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 628071341 is about 25061.3515397714. The cubic root of 628071341 is about 856.3861972705.
The spelling of 628071341 in words is "six hundred twenty-eight million, seventy-one thousand, three hundred forty-one".
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