Search a number
-
+
230690518 = 2412813299
BaseRepresentation
bin11011100000000…
…00111011010110
3121002002021220021
431300000323112
5433024044033
634520255354
75500560052
oct1560007326
9532067807
10230690518
11109245223
126531155a
1338a41686
14228d0c62
15153bcb2d
hexdc00ed6

230690518 has 8 divisors (see below), whose sum is σ = 354475800. Its totient is φ = 112531920.

The previous prime is 230690501. The next prime is 230690519. The reversal of 230690518 is 815096032.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230690519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406568 + ... + 1406731.

It is an arithmetic number, because the mean of its divisors is an integer number (44309475).

Almost surely, 2230690518 is an apocalyptic number.

230690518 is a deficient number, since it is larger than the sum of its proper divisors (123785282).

230690518 is a wasteful number, since it uses less digits than its factorization.

230690518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813342.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 230690518 is about 15188.4995308951. The cubic root of 230690518 is about 613.3051074623.

The spelling of 230690518 in words is "two hundred thirty million, six hundred ninety thousand, five hundred eighteen".

Divisors: 1 2 41 82 2813299 5626598 115345259 230690518