Base | Representation |
---|---|
bin | 1111110010011001… |
… | …0000011101110101 |
3 | 101221100022222112201 |
4 | 3330212100131311 |
5 | 32134344343344 |
6 | 1540304344501 |
7 | 210006306463 |
oct | 37446203565 |
9 | 11840288481 |
10 | 4237887349 |
11 | 18851a4543 |
12 | 9a3315131 |
13 | 526cb2a67 |
14 | 2c2b99833 |
15 | 19c0b54d4 |
hex | fc990775 |
4237887349 has 2 divisors, whose sum is σ = 4237887350. Its totient is φ = 4237887348.
The previous prime is 4237887299. The next prime is 4237887371. The reversal of 4237887349 is 9437887324.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2469096100 + 1768791249 = 49690^2 + 42057^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-4237887349 is a prime.
It is a super-3 number, since 3×42378873493 (a number of 30 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 4237887349.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4231887349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2118943674 + 2118943675.
It is an arithmetic number, because the mean of its divisors is an integer number (2118943675).
Almost surely, 24237887349 is an apocalyptic number.
It is an amenable number.
4237887349 is a deficient number, since it is larger than the sum of its proper divisors (1).
4237887349 is an equidigital number, since it uses as much as digits as its factorization.
4237887349 is an evil number, because the sum of its binary digits is even.
The product of its digits is 8128512, while the sum is 55.
The square root of 4237887349 is about 65099.0579732149. The cubic root of 4237887349 is about 1618.2656016191.
The spelling of 4237887349 in words is "four billion, two hundred thirty-seven million, eight hundred eighty-seven thousand, three hundred forty-nine".
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