Base | Representation |
---|---|
bin | 110101110001010… |
… | …0001100011001110 |
3 | 11122201221111011121 |
4 | 1223202201203032 |
5 | 12143334244210 |
6 | 455010311154 |
7 | 62465360356 |
oct | 15342414316 |
9 | 4581844147 |
10 | 1804212430 |
11 | 846481559 |
12 | 4242884ba |
13 | 229a36527 |
14 | 131891b66 |
15 | a85db6da |
hex | 6b8a18ce |
1804212430 has 16 divisors (see below), whose sum is σ = 3249221040. Its totient is φ = 721320832.
The previous prime is 1804212413. The next prime is 1804212439. The reversal of 1804212430 is 342124081.
It is a junction number, because it is equal to n+sod(n) for n = 1804212395 and 1804212404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1804212439) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24235 + ... + 64774.
It is an arithmetic number, because the mean of its divisors is an integer number (203076315).
Almost surely, 21804212430 is an apocalyptic number.
1804212430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1804212430 is a deficient number, since it is larger than the sum of its proper divisors (1445008610).
1804212430 is a wasteful number, since it uses less digits than its factorization.
1804212430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91043.
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 1804212430 is about 42476.0218240833. The cubic root of 1804212430 is about 1217.3885802181.
The spelling of 1804212430 in words is "one billion, eight hundred four million, two hundred twelve thousand, four hundred thirty".
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