Search a number
-
+
230103500 = 2253111723107
BaseRepresentation
bin11011011011100…
…01100111001100
3121000222110122212
431231301213030
5432401303000
634455525552
75462563454
oct1555614714
9530873585
10230103500
11108984190
12650898b8
1338897423
14227bad64
1515303c35
hexdb719cc

230103500 has 192 divisors, whose sum is σ = 611380224. Its totient is φ = 74624000.

The previous prime is 230103491. The next prime is 230103539. The reversal of 230103500 is 5301032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2150447 + ... + 2150553.

It is an arithmetic number, because the mean of its divisors is an integer number (3184272).

Almost surely, 2230103500 is an apocalyptic number.

230103500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230103500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305690112).

230103500 is an abundant number, since it is smaller than the sum of its proper divisors (381276724).

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

230103500 is a wasteful number, since it uses less digits than its factorization.

230103500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 230103500 is about 15169.1627982562. The cubic root of 230103500 is about 612.7844576258.

Adding to 230103500 its reverse (5301032), we get a palindrome (235404532).

The spelling of 230103500 in words is "two hundred thirty million, one hundred three thousand, five hundred".