Search a number
-
+
230230868 = 22712896379
BaseRepresentation
bin11011011100100…
…00101101010100
3121001012221101012
431232100231110
5432414341433
634502351352
75463634010
oct1556205524
9531187335
10230230868
11108a6094a
126512b558
13389103aa
1422811540
151532b848
hexdb90b54

230230868 has 24 divisors (see below), whose sum is σ = 460891200. Its totient is φ = 98578368.

The previous prime is 230230859. The next prime is 230230873. The reversal of 230230868 is 868032032.

It is a happy number.

230230868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 32903 + ... + 39281.

It is an arithmetic number, because the mean of its divisors is an integer number (19203800).

Almost surely, 2230230868 is an apocalyptic number.

230230868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

230230868 is an abundant number, since it is smaller than the sum of its proper divisors (230660332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230230868 is a wasteful number, since it uses less digits than its factorization.

230230868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679 (or 7677 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 230230868 is about 15173.3604715633. The cubic root of 230230868 is about 612.8975005746.

The spelling of 230230868 in words is "two hundred thirty million, two hundred thirty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 1289 2578 5156 6379 9023 12758 18046 25516 36092 44653 89306 178612 8222531 16445062 32890124 57557717 115115434 230230868