Search a number
-
+
404230213 = 2119711973
BaseRepresentation
bin11000000110000…
…001000001000101
31001011122000121101
4120012001001011
51311440331323
6104040020101
713005620512
oct3006010105
91034560541
10404230213
111981a5162
12b3461631
1365992b9a
143b986309
152574bdad
hex18181045

404230213 has 8 divisors (see below), whose sum is σ = 406770336. Its totient is φ = 401696400.

The previous prime is 404230153. The next prime is 404230219. The reversal of 404230213 is 312032404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-404230213 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 (404230219) 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, 203895 + ... + 205867.

It is an arithmetic number, because the mean of its divisors is an integer number (50846292).

Almost surely, 2404230213 is an apocalyptic number.

It is an amenable number.

404230213 is a deficient number, since it is larger than the sum of its proper divisors (2540123).

404230213 is a wasteful number, since it uses less digits than its factorization.

404230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 404230213 is about 20105.4771890647. The cubic root of 404230213 is about 739.3945699359.

Adding to 404230213 its reverse (312032404), we get a palindrome (716262617).

The spelling of 404230213 in words is "four hundred four million, two hundred thirty thousand, two hundred thirteen".

Divisors: 1 211 971 1973 204881 416303 1915783 404230213