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230526205 = 57131729803
BaseRepresentation
bin11011011110110…
…00110011111101
3121001202221111121
431233120303331
5433003314310
634512550541
75466304030
oct1557306375
9531687447
10230526205
11109142828
1265252451
13389b4950
142288b017
15153890da
hexdbd8cfd

230526205 has 32 divisors (see below), whose sum is σ = 360509184. Its totient is φ = 137327616.

The previous prime is 230526193. The next prime is 230526227. The reversal of 230526205 is 502625032.

It is a cyclic number.

It is not a de Polignac number, because 230526205 - 227 = 96308477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230526205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7167 + ... + 22636.

It is an arithmetic number, because the mean of its divisors is an integer number (11265912).

Almost surely, 2230526205 is an apocalyptic number.

It is an amenable number.

230526205 is a deficient number, since it is larger than the sum of its proper divisors (129982979).

230526205 is a wasteful number, since it uses less digits than its factorization.

230526205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29845.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 230526205 is about 15183.0894418758. The cubic root of 230526205 is about 613.1594607630.

The spelling of 230526205 in words is "two hundred thirty million, five hundred twenty-six thousand, two hundred five".

Divisors: 1 5 7 13 17 35 65 85 91 119 221 455 595 1105 1547 7735 29803 149015 208621 387439 506651 1043105 1937195 2533255 2712073 3546557 6586463 13560365 17732785 32932315 46105241 230526205