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230040201 = 31923317321
BaseRepresentation
bin11011011011000…
…10001010001001
3121000212020211110
431231202022021
5432342241301
634454320533
75462211066
oct1555421211
9530766743
10230040201
11108940676
1265059149
1338874681
14227a1c6d
15152e00d6
hexdb62289

230040201 has 16 divisors (see below), whose sum is σ = 324267840. Its totient is φ = 144656640.

The previous prime is 230040199. The next prime is 230040221. The reversal of 230040201 is 102040032.

It is not a de Polignac number, because 230040201 - 21 = 230040199 is a prime.

It is a super-2 number, since 2×2300402012 = 105836988152240802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230040221) 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 15 ways as a sum of consecutive naturals, for example, 4621 + ... + 21941.

It is an arithmetic number, because the mean of its divisors is an integer number (20266740).

Almost surely, 2230040201 is an apocalyptic number.

It is an amenable number.

230040201 is a deficient number, since it is larger than the sum of its proper divisors (94227639).

230040201 is a wasteful number, since it uses less digits than its factorization.

230040201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17576.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 230040201 is about 15167.0762179136. The cubic root of 230040201 is about 612.7282623330.

Adding to 230040201 its reverse (102040032), we get a palindrome (332080233).

The spelling of 230040201 in words is "two hundred thirty million, forty thousand, two hundred one".

Divisors: 1 3 19 57 233 699 4427 13281 17321 51963 329099 987297 4035793 12107379 76680067 230040201