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230042205 = 32523474729
BaseRepresentation
bin11011011011000…
…10101001011101
3121000212100120200
431231202221131
5432342322310
634454334113
75462216661
oct1555425135
9530770520
10230042205
11108942128
126505a339
1338875563
14227a28a1
15152e09c0
hexdb62a5d

230042205 has 48 divisors (see below), whose sum is σ = 425018880. Its totient is φ = 114833664.

The previous prime is 230042173. The next prime is 230042213. The reversal of 230042205 is 502240032.

It is not a de Polignac number, because 230042205 - 25 = 230042173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46281 + ... + 51009.

It is an arithmetic number, because the mean of its divisors is an integer number (8854560).

Almost surely, 2230042205 is an apocalyptic number.

It is an amenable number.

230042205 is a deficient number, since it is larger than the sum of its proper divisors (194976675).

230042205 is a wasteful number, since it uses less digits than its factorization.

230042205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810 (or 4807 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 230042205 is about 15167.1422819198. The cubic root of 230042205 is about 612.7300415928.

Adding to 230042205 its reverse (502240032), we get a palindrome (732282237).

The spelling of 230042205 in words is "two hundred thirty million, forty-two thousand, two hundred five".

Divisors: 1 3 5 9 15 23 45 47 69 115 141 207 235 345 423 705 1035 1081 2115 3243 4729 5405 9729 14187 16215 23645 42561 48645 70935 108767 212805 222263 326301 543835 666789 978903 1111315 1631505 2000367 3333945 4894515 5112049 10001835 15336147 25560245 46008441 76680735 230042205