Base | Representation |
---|---|
bin | 11001100010011… |
… | …011100110111111 |
3 | 1002212012211122221 |
4 | 121202123212333 |
5 | 1334141101013 |
6 | 110303150211 |
7 | 13421550655 |
oct | 3142334677 |
9 | 1085184587 |
10 | 428456383 |
11 | 1aa941693 |
12 | bb5a5367 |
13 | 6a9c5ab4 |
14 | 40c90dd5 |
15 | 2793508d |
hex | 1989b9bf |
428456383 has 2 divisors, whose sum is σ = 428456384. Its totient is φ = 428456382.
The previous prime is 428456359. The next prime is 428456401. The reversal of 428456383 is 383654824.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 428456383 - 225 = 394901951 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (428456323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214228191 + 214228192.
It is an arithmetic number, because the mean of its divisors is an integer number (214228192).
Almost surely, 2428456383 is an apocalyptic number.
428456383 is a deficient number, since it is larger than the sum of its proper divisors (1).
428456383 is an equidigital number, since it uses as much as digits as its factorization.
428456383 is an evil number, because the sum of its binary digits is even.
The product of its digits is 552960, while the sum is 43.
The square root of 428456383 is about 20699.1879792421. The cubic root of 428456383 is about 753.8799719584.
The spelling of 428456383 in words is "four hundred twenty-eight million, four hundred fifty-six thousand, three hundred eighty-three".
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