Base | Representation |
---|---|
bin | 11001011101101… |
… | …100100111111001 |
3 | 1002202212210021212 |
4 | 121131230213321 |
5 | 1333331342403 |
6 | 110220412505 |
7 | 13405161545 |
oct | 3135544771 |
9 | 1082783255 |
10 | 427215353 |
11 | 1aa174244 |
12 | bb0a7135 |
13 | 6a67cc66 |
14 | 40a4aa25 |
15 | 2778c4d8 |
hex | 1976c9f9 |
427215353 has 2 divisors, whose sum is σ = 427215354. Its totient is φ = 427215352.
The previous prime is 427215329. The next prime is 427215377. The reversal of 427215353 is 353512724.
It is a balanced prime because it is at equal distance from previous prime (427215329) and next prime (427215377).
It can be written as a sum of positive squares in only one way, i.e., 332989504 + 94225849 = 18248^2 + 9707^2 .
It is a cyclic number.
It is not a de Polignac number, because 427215353 - 216 = 427149817 is a prime.
It is equal to p22707923 and since 427215353 and 22707923 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (427215953) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213607676 + 213607677.
It is an arithmetic number, because the mean of its divisors is an integer number (213607677).
Almost surely, 2427215353 is an apocalyptic number.
It is an amenable number.
427215353 is a deficient number, since it is larger than the sum of its proper divisors (1).
427215353 is an equidigital number, since it uses as much as digits as its factorization.
427215353 is an evil number, because the sum of its binary digits is even.
The product of its digits is 25200, while the sum is 32.
The square root of 427215353 is about 20669.1884939879. The cubic root of 427215353 is about 753.1513933761.
The spelling of 427215353 in words is "four hundred twenty-seven million, two hundred fifteen thousand, three hundred fifty-three".
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