Base | Representation |
---|---|
bin | 11001101001010… |
… | …001000011011101 |
3 | 1002222120212111221 |
4 | 121221101003131 |
5 | 1340120420112 |
6 | 110405413341 |
7 | 13443022543 |
oct | 3151210335 |
9 | 1088525457 |
10 | 430248157 |
11 | 200955899 |
12 | 10010a251 |
13 | 6b1a2511 |
14 | 411d9d93 |
15 | 27b8ae07 |
hex | 19a510dd |
430248157 has 2 divisors, whose sum is σ = 430248158. Its totient is φ = 430248156.
The previous prime is 430248151. The next prime is 430248167. The reversal of 430248157 is 751842034.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 412049401 + 18198756 = 20299^2 + 4266^2 .
It is a cyclic number.
It is not a de Polignac number, because 430248157 - 211 = 430246109 is a prime.
It is a super-2 number, since 2×4302481572 = 370226953203793298, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (430248151) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215124078 + 215124079.
It is an arithmetic number, because the mean of its divisors is an integer number (215124079).
Almost surely, 2430248157 is an apocalyptic number.
It is an amenable number.
430248157 is a deficient number, since it is larger than the sum of its proper divisors (1).
430248157 is an equidigital number, since it uses as much as digits as its factorization.
430248157 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 26880, while the sum is 34.
The square root of 430248157 is about 20742.4240868805. The cubic root of 430248157 is about 754.9294011731.
The spelling of 430248157 in words is "four hundred thirty million, two hundred forty-eight thousand, one hundred fifty-seven".
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