Base | Representation |
---|---|
bin | 11001100100011… |
… | …111101100100110 |
3 | 1002220020022211010 |
4 | 121210133230212 |
5 | 1334310404124 |
6 | 110322523050 |
7 | 13426263216 |
oct | 3144375446 |
9 | 1086208733 |
10 | 428997414 |
11 | 20018111a |
12 | bb806486 |
13 | 6ab55131 |
14 | 40d92246 |
15 | 279e0529 |
hex | 1991fb26 |
428997414 has 16 divisors (see below), whose sum is σ = 908465328. Its totient is φ = 134587392.
The previous prime is 428997367. The next prime is 428997427. The reversal of 428997414 is 414799824.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102827 + ... + 2103030.
It is an arithmetic number, because the mean of its divisors is an integer number (56779083).
Almost surely, 2428997414 is an apocalyptic number.
428997414 is an abundant number, since it is smaller than the sum of its proper divisors (479467914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428997414 is a wasteful number, since it uses less digits than its factorization.
428997414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4205879.
The product of its digits is 580608, while the sum is 48.
The square root of 428997414 is about 20712.2527504856. The cubic root of 428997414 is about 754.1971577849.
The spelling of 428997414 in words is "four hundred twenty-eight million, nine hundred ninety-seven thousand, four hundred fourteen".
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