Base | Representation |
---|---|
bin | 11001100001010… |
… | …101100100001000 |
3 | 1002211200021002220 |
4 | 121201111210020 |
5 | 1334102410410 |
6 | 110253054040 |
7 | 13416244344 |
oct | 3141254410 |
9 | 1084607086 |
10 | 428169480 |
11 | 1aa766082 |
12 | bb487320 |
13 | 6a92532b |
14 | 40c18624 |
15 | 278ca070 |
hex | 19855908 |
428169480 has 64 divisors (see below), whose sum is σ = 1360074240. Its totient is φ = 107461632.
The previous prime is 428169479. The next prime is 428169481. The reversal of 428169480 is 84961824.
It is an interprime number because it is at equal distance from previous prime (428169479) and next prime (428169481).
It is not an unprimeable number, because it can be changed into a prime (428169481) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 102904 + ... + 106983.
It is an arithmetic number, because the mean of its divisors is an integer number (21251160).
Almost surely, 2428169480 is an apocalyptic number.
428169480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
428169480 is an abundant number, since it is smaller than the sum of its proper divisors (931904760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428169480 is a wasteful number, since it uses less digits than its factorization.
428169480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209918 (or 209914 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 42.
The square root of 428169480 is about 20692.2565226705. The cubic root of 428169480 is about 753.7116633280.
The spelling of 428169480 in words is "four hundred twenty-eight million, one hundred sixty-nine thousand, four hundred eighty".
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