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230244201 = 351186137
BaseRepresentation
bin11011011100100…
…11111101101001
3121001020121200000
431232103331221
5432420303301
634502533213
75464020615
oct1556237551
9531217600
10230244201
11108a6a970
1265137209
1338916495
1422816345
1515330786
hexdb93f69

230244201 has 24 divisors (see below), whose sum is σ = 376250784. Its totient is φ = 139540320.

The previous prime is 230244193. The next prime is 230244221. The reversal of 230244201 is 102442032.

It is not a de Polignac number, because 230244201 - 23 = 230244193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230244221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40396 + ... + 45741.

It is an arithmetic number, because the mean of its divisors is an integer number (15677116).

Almost surely, 2230244201 is an apocalyptic number.

It is an amenable number.

230244201 is a deficient number, since it is larger than the sum of its proper divisors (146006583).

230244201 is an equidigital number, since it uses as much as digits as its factorization.

230244201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86163 (or 86151 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 230244201 is about 15173.7998207436. The cubic root of 230244201 is about 612.9093316042.

Adding to 230244201 its reverse (102442032), we get a palindrome (332686233).

It can be divided in two parts, 23024 and 4201, that added together give a square (27225 = 1652).

The spelling of 230244201 in words is "two hundred thirty million, two hundred forty-four thousand, two hundred one".

Divisors: 1 3 9 11 27 33 81 99 243 297 891 2673 86137 258411 775233 947507 2325699 2842521 6977097 8527563 20931291 25582689 76748067 230244201