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234208205 = 57112291907
BaseRepresentation
bin11011111010110…
…11101111001101
3121022201000020222
431331123233031
5434424130310
635123521125
75542510520
oct1575335715
9538630228
10234208205
11110228100
12665291a5
13396a384a
1423168bb7
1515865055
hexdf5bbcd

234208205 has 48 divisors (see below), whose sum is σ = 365420160. Its totient is φ = 140891520.

The previous prime is 234208199. The next prime is 234208223. The reversal of 234208205 is 502802432.

It is not a de Polignac number, because 234208205 - 212 = 234204109 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, 121862 + ... + 123768.

It is an arithmetic number, because the mean of its divisors is an integer number (7612920).

Almost surely, 2234208205 is an apocalyptic number.

It is an amenable number.

234208205 is a deficient number, since it is larger than the sum of its proper divisors (131211955).

234208205 is a wasteful number, since it uses less digits than its factorization.

234208205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 234208205 is about 15303.8624209707. The cubic root of 234208205 is about 616.4067254405.

The spelling of 234208205 in words is "two hundred thirty-four million, two hundred eight thousand, two hundred five".

Divisors: 1 5 7 11 29 35 55 77 121 145 203 319 385 605 847 1015 1595 1907 2233 3509 4235 9535 11165 13349 17545 20977 24563 55303 66745 104885 122815 146839 230747 276515 387121 608333 734195 1153735 1615229 1935605 3041665 4258331 6691663 8076145 21291655 33458315 46841641 234208205