Search a number
-
+
230086444 = 2278217373
BaseRepresentation
bin11011011011011…
…01011100101100
3121000221121021011
431231231130230
5432400231234
634455315004
75462462650
oct1555553454
9530847234
10230086444
11108972395
126507ba64
133888c733
14227b4a60
15152edb64
hexdb6d72c

230086444 has 12 divisors (see below), whose sum is σ = 460172944. Its totient is φ = 98608464.

The previous prime is 230086403. The next prime is 230086513. The reversal of 230086444 is 444680032.

230086444 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4108659 + ... + 4108714.

Almost surely, 2230086444 is an apocalyptic number.

It is an amenable number.

230086444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

230086444 is a wasteful number, since it uses less digits than its factorization.

230086444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8217384 (or 8217382 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 230086444 is about 15168.6005946495. The cubic root of 230086444 is about 612.7693167436.

The spelling of 230086444 in words is "two hundred thirty million, eighty-six thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 8217373 16434746 32869492 57521611 115043222 230086444