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230003420 = 22511500171
BaseRepresentation
bin11011011010110…
…01001011011100
3121000210101101012
431231121023130
5432340102140
634453434352
75461665623
oct1555311334
9530711335
10230003420
11108915a79
126503b9b8
13388609ca
14227926ba
15152d4265
hexdb592dc

230003420 has 12 divisors (see below), whose sum is σ = 483007224. Its totient is φ = 92001360.

The previous prime is 230003419. The next prime is 230003441. The reversal of 230003420 is 24300032.

It is a junction number, because it is equal to n+sod(n) for n = 230003395 and 230003404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5750066 + ... + 5750105.

It is an arithmetic number, because the mean of its divisors is an integer number (40250602).

Almost surely, 2230003420 is an apocalyptic number.

230003420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230003420 is an abundant number, since it is smaller than the sum of its proper divisors (253003804).

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

230003420 is a wasteful number, since it uses less digits than its factorization.

230003420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11500180 (or 11500178 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 230003420 is about 15165.8636417449. The cubic root of 230003420 is about 612.6956043318.

Adding to 230003420 its reverse (24300032), we get a palindrome (254303452).

The spelling of 230003420 in words is "two hundred thirty million, three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 11500171 23000342 46000684 57500855 115001710 230003420