Base | Representation |
---|---|
bin | 101010100100100… |
… | …1000110011000000 |
3 | 10200112220012221100 |
4 | 1111021020303000 |
5 | 10411141134223 |
6 | 353424454400 |
7 | 50253461406 |
oct | 12511106300 |
9 | 3615805840 |
10 | 1428458688 |
11 | 673367178 |
12 | 33a47a400 |
13 | 199c34037 |
14 | d79dd476 |
15 | 85617043 |
hex | 55248cc0 |
1428458688 has 42 divisors (see below), whose sum is σ = 4094420564. Its totient is φ = 476152704.
The previous prime is 1428458657. The next prime is 1428458699. The reversal of 1428458688 is 8868548241.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1239406 + ... + 1240557.
Almost surely, 21428458688 is an apocalyptic number.
1428458688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1428458688 is an abundant number, since it is smaller than the sum of its proper divisors (2665961876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1428458688 is a wasteful number, since it uses less digits than its factorization.
1428458688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2479981 (or 2479968 counting only the distinct ones).
The product of its digits is 3932160, while the sum is 54.
The square root of 1428458688 is about 37794.9558539232. The cubic root of 1428458688 is about 1126.2182524373.
The spelling of 1428458688 in words is "one billion, four hundred twenty-eight million, four hundred fifty-eight thousand, six hundred eighty-eight".
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