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230211205 = 5724372699
BaseRepresentation
bin11011011100010…
…11111010000101
3121001011221101221
431232023322011
5432413224310
634502120341
75463522460
oct1556137205
9531157357
10230211205
11108a480a4
12651200b1
1338904463
14228082d7
1515325ada
hexdb8be85

230211205 has 16 divisors (see below), whose sum is σ = 315964800. Its totient is φ = 157735872.

The previous prime is 230211203. The next prime is 230211211. The reversal of 230211205 is 502112032.

It is not a de Polignac number, because 230211205 - 21 = 230211203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230211203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83946 + ... + 86644.

It is an arithmetic number, because the mean of its divisors is an integer number (19747800).

Almost surely, 2230211205 is an apocalyptic number.

It is an amenable number.

230211205 is a deficient number, since it is larger than the sum of its proper divisors (85753595).

230211205 is a wasteful number, since it uses less digits than its factorization.

230211205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 230211205 is about 15172.7125129293. The cubic root of 230211205 is about 612.8800517898.

Adding to 230211205 its reverse (502112032), we get a palindrome (732323237).

The spelling of 230211205 in words is "two hundred thirty million, two hundred eleven thousand, two hundred five".

Divisors: 1 5 7 35 2437 2699 12185 13495 17059 18893 85295 94465 6577463 32887315 46042241 230211205