Search a number
-
+
230002404 = 22353421859
BaseRepresentation
bin11011011010110…
…00111011100100
3121000210022222120
431231120323210
5432340034104
634453425540
75461662642
oct1555307344
9530708876
10230002404
11108915235
126503b2b0
13388603c8
1422792192
15152d3cd9
hexdb58ee4

230002404 has 48 divisors (see below), whose sum is σ = 548735040. Its totient is φ = 74954880.

The previous prime is 230002403. The next prime is 230002411. The reversal of 230002404 is 404200032.

It is a happy number.

It is a super-2 number, since 2×2300024042 = 105802211691558432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230002403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267327 + ... + 268185.

It is an arithmetic number, because the mean of its divisors is an integer number (11431980).

Almost surely, 2230002404 is an apocalyptic number.

It is an amenable number.

230002404 is an abundant number, since it is smaller than the sum of its proper divisors (318732636).

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

230002404 is a wasteful number, since it uses less digits than its factorization.

230002404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 230002404 is about 15165.8301454289. The cubic root of 230002404 is about 612.6947021718.

Adding to 230002404 its reverse (404200032), we get a palindrome (634202436).

The spelling of 230002404 in words is "two hundred thirty million, two thousand, four hundred four".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 421 636 842 859 1263 1684 1718 2526 2577 3436 5052 5154 10308 22313 44626 45527 66939 89252 91054 133878 136581 182108 267756 273162 361639 546324 723278 1084917 1446556 2169834 4339668 19166867 38333734 57500601 76667468 115001202 230002404