Base | Representation |
---|---|
bin | 100101011110101… |
… | …001111101101011 |
3 | 1121211012000002212 |
4 | 211132221331223 |
5 | 2241432340240 |
6 | 142221115335 |
7 | 21403440212 |
oct | 4536517553 |
9 | 1554160085 |
10 | 628793195 |
11 | 2a2a346a8 |
12 | 1566b8b4b |
13 | a036a4a4 |
14 | 5d720079 |
15 | 3a309165 |
hex | 257a9f6b |
628793195 has 12 divisors (see below), whose sum is σ = 801549984. Its totient is φ = 473443200.
The previous prime is 628793189. The next prime is 628793197. The reversal of 628793195 is 591397826.
It is not a de Polignac number, because 628793195 - 26 = 628793131 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (628793197) 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 11 ways as a sum of consecutive naturals, for example, 216131 + ... + 219020.
It is an arithmetic number, because the mean of its divisors is an integer number (66795832).
Almost surely, 2628793195 is an apocalyptic number.
628793195 is a deficient number, since it is larger than the sum of its proper divisors (172756789).
628793195 is a wasteful number, since it uses less digits than its factorization.
628793195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435190 (or 435173 counting only the distinct ones).
The product of its digits is 816480, while the sum is 50.
The square root of 628793195 is about 25075.7491413517. The cubic root of 628793195 is about 856.7141584865.
The spelling of 628793195 in words is "six hundred twenty-eight million, seven hundred ninety-three thousand, one hundred ninety-five".
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