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230300000 = 25557247
BaseRepresentation
bin11011011101000…
…01100101100000
3121001100110012122
431232201211200
5432424100000
634504043412
75464342400
oct1556414540
9531313178
10230300000
11108aa8887
1265163568
13389359b8
142282c800
1515342085
hexdba1960

230300000 has 216 divisors, whose sum is σ = 673269408. Its totient is φ = 77280000.

The previous prime is 230299987. The next prime is 230300009. The reversal of 230300000 is 3032.

230300000 = 503 + 513 + ... + 1743.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230300009) 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 35 ways as a sum of consecutive naturals, for example, 4899977 + ... + 4900023.

It is an arithmetic number, because the mean of its divisors is an integer number (3116988).

Almost surely, 2230300000 is an apocalyptic number.

230300000 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 230300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336634704).

230300000 is an abundant number, since it is smaller than the sum of its proper divisors (442969408).

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

230300000 is an frugal number, since it uses more digits than its factorization.

230300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 8.

The square root of 230300000 is about 15175.6383720752. The cubic root of 230300000 is about 612.9588398586.

Adding to 230300000 its reverse (3032), we get a palindrome (230303032).

The spelling of 230300000 in words is "two hundred thirty million, three hundred thousand".