Base | Representation |
---|---|
bin | 11001100001010… |
… | …011011110011111 |
3 | 1002211122211101010 |
4 | 121201103132133 |
5 | 1334102122202 |
6 | 110252550303 |
7 | 13416210405 |
oct | 3141233637 |
9 | 1084584333 |
10 | 428160927 |
11 | 1aa75a707 |
12 | bb482393 |
13 | 6a92147c |
14 | 40c15475 |
15 | 278c776c |
hex | 1985379f |
428160927 has 16 divisors (see below), whose sum is σ = 574673792. Its totient is φ = 283551840.
The previous prime is 428160913. The next prime is 428160949. The reversal of 428160927 is 729061824.
It is not a de Polignac number, because 428160927 - 210 = 428159903 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (428160427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365052 + ... + 366222.
It is an arithmetic number, because the mean of its divisors is an integer number (35917112).
Almost surely, 2428160927 is an apocalyptic number.
428160927 is a deficient number, since it is larger than the sum of its proper divisors (146512865).
428160927 is a wasteful number, since it uses less digits than its factorization.
428160927 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1878.
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 428160927 is about 20692.0498501236. The cubic root of 428160927 is about 753.7066446465.
The spelling of 428160927 in words is "four hundred twenty-eight million, one hundred sixty thousand, nine hundred twenty-seven".
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