Search a number
-
+
230735165 = 5291591277
BaseRepresentation
bin11011100000010…
…11110100111101
3121002011120010212
431300023310331
5433032011130
634521242205
75501134163
oct1560136475
9532146125
10230735165
11109275821
1265333365
1338a58aab
1422903233
15153cae95
hexdc0bd3d

230735165 has 8 divisors (see below), whose sum is σ = 286430040. Its totient is φ = 178222912.

The previous prime is 230735143. The next prime is 230735179. The reversal of 230735165 is 561537032.

It can be written as a sum of positive squares in 4 ways, for example, as 95687524 + 135047641 = 9782^2 + 11621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230735165 - 28 = 230734909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795494 + ... + 795783.

It is an arithmetic number, because the mean of its divisors is an integer number (35803755).

Almost surely, 2230735165 is an apocalyptic number.

It is an amenable number.

230735165 is a deficient number, since it is larger than the sum of its proper divisors (55694875).

230735165 is a wasteful number, since it uses less digits than its factorization.

230735165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591311.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 230735165 is about 15189.9692231420. The cubic root of 230735165 is about 613.3446705201.

The spelling of 230735165 in words is "two hundred thirty million, seven hundred thirty-five thousand, one hundred sixty-five".

Divisors: 1 5 29 145 1591277 7956385 46147033 230735165