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230212301 = 1121132149
BaseRepresentation
bin11011011100011…
…00001011001101
3121001011222220112
431232030023031
5432413243201
634502125405
75463525614
oct1556141315
9531158815
10230212301
11108a48a00
1265120865
1338904ac7
142280887b
15153260bb
hexdb8c2cd

230212301 has 18 divisors (see below), whose sum is σ = 257015850. Its totient is φ = 206039680.

The previous prime is 230212259. The next prime is 230212309. The reversal of 230212301 is 103212032.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 48636676 + 181575625 = 6974^2 + 13475^2 .

It is not a de Polignac number, because 230212301 - 222 = 226017997 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 17 ways as a sum of consecutive naturals, for example, 1544975 + ... + 1545123.

Almost surely, 2230212301 is an apocalyptic number.

It is an amenable number.

230212301 is a deficient number, since it is larger than the sum of its proper divisors (26803549).

230212301 is a wasteful number, since it uses less digits than its factorization.

230212301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 230212301 is about 15172.7486303570. The cubic root of 230212301 is about 612.8810243973.

Adding to 230212301 its reverse (103212032), we get a palindrome (333424333).

The spelling of 230212301 in words is "two hundred thirty million, two hundred twelve thousand, three hundred one".

Divisors: 1 11 113 121 149 1243 1639 12769 13673 16837 18029 140459 185207 1545049 1902581 2037277 20928391 230212301