Base | Representation |
---|---|
bin | 11001100011111… |
… | …101110101110110 |
3 | 1002212222021121010 |
4 | 121203331311312 |
5 | 1334241434432 |
6 | 110315533050 |
7 | 13425145014 |
oct | 3143756566 |
9 | 1085867533 |
10 | 428858742 |
11 | 200096a14 |
12 | bb75a186 |
13 | 6ab06c90 |
14 | 40d578b4 |
15 | 279b43cc |
hex | 198fdd76 |
428858742 has 16 divisors (see below), whose sum is σ = 923695920. Its totient is φ = 131956512.
The previous prime is 428858707. The next prime is 428858753. The reversal of 428858742 is 247858824.
It is a junction number, because it is equal to n+sod(n) for n = 428858691 and 428858700.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 2749017 + ... + 2749172.
It is an arithmetic number, because the mean of its divisors is an integer number (57730995).
Almost surely, 2428858742 is an apocalyptic number.
428858742 is an abundant number, since it is smaller than the sum of its proper divisors (494837178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428858742 is a wasteful number, since it uses less digits than its factorization.
428858742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5498207.
The product of its digits is 1146880, while the sum is 48.
The square root of 428858742 is about 20708.9048962035. The cubic root of 428858742 is about 754.1158851121.
The spelling of 428858742 in words is "four hundred twenty-eight million, eight hundred fifty-eight thousand, seven hundred forty-two".
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