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230303250 = 2355317223
BaseRepresentation
bin11011011101000…
…10011000010010
3121001100121200000
431232202120102
5432424201000
634504110430
75464355022
oct1556423022
9531317600
10230303250
11109000271
1265165416
1338937318
142282da82
1515343000
hexdba2612

230303250 has 192 divisors, whose sum is σ = 686859264. Its totient is φ = 57542400.

The previous prime is 230303231. The next prime is 230303251. The reversal of 230303250 is 52303032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230303251) 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 95 ways as a sum of consecutive naturals, for example, 1032639 + ... + 1032861.

It is an arithmetic number, because the mean of its divisors is an integer number (3577392).

Almost surely, 2230303250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230303250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343429632).

230303250 is an abundant number, since it is smaller than the sum of its proper divisors (456556014).

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

230303250 is a wasteful number, since it uses less digits than its factorization.

230303250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 230303250 is about 15175.7454512126. The cubic root of 230303250 is about 612.9617232091.

Adding to 230303250 its reverse (52303032), we get a palindrome (282606282).

The spelling of 230303250 in words is "two hundred thirty million, three hundred three thousand, two hundred fifty".