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230253205 = 5721326783
BaseRepresentation
bin11011011100101…
…10001010010101
3121001021002000111
431232112022111
5432421100310
634503043021
75464056100
oct1556261225
9531232014
10230253205
11108a76706
1265140471
133891a600
1422819737
151533328a
hexdb96295

230253205 has 72 divisors (see below), whose sum is σ = 357491232. Its totient is φ = 141837696.

The previous prime is 230253197. The next prime is 230253209. The reversal of 230253205 is 502352032.

It is not a de Polignac number, because 230253205 - 23 = 230253197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230253209) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2774094 + ... + 2774176.

It is an arithmetic number, because the mean of its divisors is an integer number (4965156).

Almost surely, 2230253205 is an apocalyptic number.

It is an amenable number.

230253205 is a deficient number, since it is larger than the sum of its proper divisors (127238027).

230253205 is a wasteful number, since it uses less digits than its factorization.

230253205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 230253205 is about 15174.0965134666. The cubic root of 230253205 is about 612.9173210399.

The spelling of 230253205 in words is "two hundred thirty million, two hundred fifty-three thousand, two hundred five".

Divisors: 1 5 7 13 35 49 65 67 83 91 169 245 335 415 455 469 581 637 845 871 1079 1183 2345 2905 3185 3283 4067 4355 5395 5561 5915 6097 7553 8281 11323 14027 16415 20335 27805 30485 37765 38927 41405 42679 52871 56615 70135 72293 79261 98189 194635 213395 264355 272489 361465 396305 490945 506051 554827 687323 939809 1362445 2530255 2774135 3436615 3542357 4699045 6578663 17711785 32893315 46050641 230253205