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230015205 = 32571574651
BaseRepresentation
bin11011011010111…
…00000011100101
3121000210222112200
431231130003211
5432340441310
634454005113
75462045160
oct1555340345
9530728480
10230015205
11108923912
1265046799
1338866194
1422796ad7
15152d79c0
hexdb5c0e5

230015205 has 48 divisors (see below), whose sum is σ = 458649984. Its totient is φ = 104457600.

The previous prime is 230015183. The next prime is 230015209. The reversal of 230015205 is 502510032.

It is a happy number.

It is not a de Polignac number, because 230015205 - 25 = 230015173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230015209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47130 + ... + 51780.

It is an arithmetic number, because the mean of its divisors is an integer number (9555208).

Almost surely, 2230015205 is an apocalyptic number.

It is an amenable number.

230015205 is a deficient number, since it is larger than the sum of its proper divisors (228634779).

230015205 is a wasteful number, since it uses less digits than its factorization.

230015205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826 (or 4823 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 230015205 is about 15166.2521738233. The cubic root of 230015205 is about 612.7060686608.

Adding to 230015205 its reverse (502510032), we get a palindrome (732525237).

The spelling of 230015205 in words is "two hundred thirty million, fifteen thousand, two hundred five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 157 315 471 785 1099 1413 2355 3297 4651 5495 7065 9891 13953 16485 23255 32557 41859 49455 69765 97671 162785 209295 293013 488355 730207 1465065 2190621 3651035 5111449 6571863 10953105 15334347 25557245 32859315 46003041 76671735 230015205