Base | Representation |
---|---|
bin | 11001100011110… |
… | …110111010101000 |
3 | 1002212220211200112 |
4 | 121203312322220 |
5 | 1334240033001 |
6 | 110315153452 |
7 | 13424666222 |
oct | 3143667250 |
9 | 1085824615 |
10 | 428830376 |
11 | 200077677 |
12 | bb745888 |
13 | 6aac70b0 |
14 | 40d4b412 |
15 | 279aacbb |
hex | 198f6ea8 |
428830376 has 16 divisors (see below), whose sum is σ = 865907700. Its totient is φ = 197921664.
The previous prime is 428830327. The next prime is 428830379. The reversal of 428830376 is 673038824.
It can be written as a sum of positive squares in 2 ways, for example, as 427414276 + 1416100 = 20674^2 + 1190^2 .
It is not an unprimeable number, because it can be changed into a prime (428830379) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2061581 + ... + 2061788.
Almost surely, 2428830376 is an apocalyptic number.
It is an amenable number.
428830376 is an abundant number, since it is smaller than the sum of its proper divisors (437077324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428830376 is a wasteful number, since it uses less digits than its factorization.
428830376 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4123388 (or 4123384 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 41.
The square root of 428830376 is about 20708.2200104210. The cubic root of 428830376 is about 754.0992582521.
The spelling of 428830376 in words is "four hundred twenty-eight million, eight hundred thirty thousand, three hundred seventy-six".
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