Search a number
-
+
4230813 = 34332797
BaseRepresentation
bin10000001000111010011101
321221221120210
4100020322131
52040341223
6230403033
750650506
oct20107235
97857523
104230813
11242a744
121500479
13b51952
147c1bad
15588893
hex408e9d

4230813 has 8 divisors (see below), whose sum is σ = 5772448. Its totient is φ = 2754864.

The previous prime is 4230803. The next prime is 4230817. The reversal of 4230813 is 3180324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4230813 - 24 = 4230797 is a prime.

It is a super-3 number, since 3×42308133 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

4230813 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4230813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4230817) 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, 16270 + ... + 16527.

It is an arithmetic number, because the mean of its divisors is an integer number (721556).

Almost surely, 24230813 is an apocalyptic number.

4230813 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4230813 is a deficient number, since it is larger than the sum of its proper divisors (1541635).

4230813 is a wasteful number, since it uses less digits than its factorization.

4230813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32843.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4230813 is about 2056.8940176878. The cubic root of 4230813 is about 161.7364637625.

The spelling of 4230813 in words is "four million, two hundred thirty thousand, eight hundred thirteen".

Divisors: 1 3 43 129 32797 98391 1410271 4230813