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230212303 = 1918736469
BaseRepresentation
bin11011011100011…
…00001011001111
3121001011222220121
431232030023033
5432413243203
634502125411
75463525616
oct1556141317
9531158817
10230212303
11108a48a02
1265120867
1338904ac9
142280887d
15153260bd
hexdb8c2cf

230212303 has 8 divisors (see below), whose sum is σ = 242495600. Its totient is φ = 217945728.

The previous prime is 230212259. The next prime is 230212309. The reversal of 230212303 is 303212032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230212303 - 29 = 230211791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230212309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32353 + ... + 38821.

It is an arithmetic number, because the mean of its divisors is an integer number (30311950).

Almost surely, 2230212303 is an apocalyptic number.

230212303 is a deficient number, since it is larger than the sum of its proper divisors (12283297).

230212303 is a wasteful number, since it uses less digits than its factorization.

230212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 230212303 is about 15172.7486962646. The cubic root of 230212303 is about 612.8810261722.

Adding to 230212303 its reverse (303212032), we get a palindrome (533424335).

The spelling of 230212303 in words is "two hundred thirty million, two hundred twelve thousand, three hundred three".

Divisors: 1 19 1873 6469 35587 122911 12116437 230212303