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230210201 = 1317708477
BaseRepresentation
bin11011011100010…
…11101010011001
3121001011220000202
431232023222121
5432413211301
634502111545
75463516524
oct1556135231
9531156022
10230210201
11108a47371
126511b5b5
1338903b70
1422807bbb
151532566b
hexdb8ba99

230210201 has 4 divisors (see below), whose sum is σ = 247918692. Its totient is φ = 212501712.

The previous prime is 230210143. The next prime is 230210231. The reversal of 230210201 is 102012032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106110601 + 124099600 = 10301^2 + 11140^2 .

It is a cyclic number.

It is not a de Polignac number, because 230210201 - 218 = 229948057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230210231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8854226 + ... + 8854251.

It is an arithmetic number, because the mean of its divisors is an integer number (61979673).

Almost surely, 2230210201 is an apocalyptic number.

It is an amenable number.

230210201 is a deficient number, since it is larger than the sum of its proper divisors (17708491).

230210201 is a wasteful number, since it uses less digits than its factorization.

230210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17708490.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 230210201 is about 15172.6794271809. The cubic root of 230210201 is about 612.8791608218.

Adding to 230210201 its reverse (102012032), we get a palindrome (332222233).

The spelling of 230210201 in words is "two hundred thirty million, two hundred ten thousand, two hundred one".

Divisors: 1 13 17708477 230210201