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230103420 = 22353835057
BaseRepresentation
bin11011011011100…
…01100101111100
3121000222110112220
431231301211330
5432401302140
634455525340
75462563311
oct1555614574
9530873486
10230103420
11108984118
1265089850
1338897391
14227bad08
1515303bd0
hexdb7197c

230103420 has 24 divisors (see below), whose sum is σ = 644289744. Its totient is φ = 61360896.

The previous prime is 230103409. The next prime is 230103427. The reversal of 230103420 is 24301032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230103420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230103427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1917469 + ... + 1917588.

It is an arithmetic number, because the mean of its divisors is an integer number (26845406).

Almost surely, 2230103420 is an apocalyptic number.

230103420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230103420 is an abundant number, since it is smaller than the sum of its proper divisors (414186324).

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

230103420 is a wasteful number, since it uses less digits than its factorization.

230103420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835069 (or 3835067 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 230103420 is about 15169.1601613273. The cubic root of 230103420 is about 612.7843866103.

Adding to 230103420 its reverse (24301032), we get a palindrome (254404452).

The spelling of 230103420 in words is "two hundred thirty million, one hundred three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3835057 7670114 11505171 15340228 19175285 23010342 38350570 46020684 57525855 76701140 115051710 230103420