Base | Representation |
---|---|
bin | 11001011101110… |
… | …111001111100001 |
3 | 1002202221222221211 |
4 | 121131313033201 |
5 | 1333334240344 |
6 | 110221350121 |
7 | 13405432423 |
oct | 3135671741 |
9 | 1082858854 |
10 | 427258849 |
11 | 1aa1a3996 |
12 | bb108341 |
13 | 6a6969b4 |
14 | 40a5c813 |
15 | 2779a334 |
hex | 197773e1 |
427258849 has 2 divisors, whose sum is σ = 427258850. Its totient is φ = 427258848.
The previous prime is 427258847. The next prime is 427258877. The reversal of 427258849 is 948852724.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 326055249 + 101203600 = 18057^2 + 10060^2 .
It is a cyclic number.
It is not a de Polignac number, because 427258849 - 21 = 427258847 is a prime.
Together with 427258847, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (427258847) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213629424 + 213629425.
It is an arithmetic number, because the mean of its divisors is an integer number (213629425).
Almost surely, 2427258849 is an apocalyptic number.
It is an amenable number.
427258849 is a deficient number, since it is larger than the sum of its proper divisors (1).
427258849 is an equidigital number, since it uses as much as digits as its factorization.
427258849 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1290240, while the sum is 49.
The square root of 427258849 is about 20670.2406613953. The cubic root of 427258849 is about 753.1769526645.
The spelling of 427258849 in words is "four hundred twenty-seven million, two hundred fifty-eight thousand, eight hundred forty-nine".
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