Base | Representation |
---|---|
bin | 101010100011101… |
… | …1111010001101111 |
3 | 10200112002021001121 |
4 | 1111013133101233 |
5 | 10411033321404 |
6 | 353411321411 |
7 | 50250011335 |
oct | 12507372157 |
9 | 3615067047 |
10 | 1428026479 |
11 | 6730a1480 |
12 | 33a2b0267 |
13 | 199b123a9 |
14 | d7929b55 |
15 | 8557de54 |
hex | 551df46f |
1428026479 has 16 divisors (see below), whose sum is σ = 1590382080. Its totient is φ = 1271340000.
The previous prime is 1428026459. The next prime is 1428026489. The reversal of 1428026479 is 9746208241.
It is a cyclic number.
It is not a de Polignac number, because 1428026479 - 213 = 1428018287 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1428026419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111877 + ... + 123985.
It is an arithmetic number, because the mean of its divisors is an integer number (99398880).
Almost surely, 21428026479 is an apocalyptic number.
1428026479 is a deficient number, since it is larger than the sum of its proper divisors (162355601).
1428026479 is a wasteful number, since it uses less digits than its factorization.
1428026479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12342.
The product of its (nonzero) digits is 193536, while the sum is 43.
The square root of 1428026479 is about 37789.2376080810. The cubic root of 1428026479 is about 1126.1046542935.
The spelling of 1428026479 in words is "one billion, four hundred twenty-eight million, twenty-six thousand, four hundred seventy-nine".
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