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230001189 = 3116969733
BaseRepresentation
bin11011011010110…
…00101000100101
3121000210021022120
431231120220211
5432340014224
634453420153
75461656255
oct1555305045
9530707276
10230001189
11108914330
126503a659
133885c9a2
1422791965
15152d3779
hexdb58a25

230001189 has 8 divisors (see below), whose sum is σ = 334547232. Its totient is φ = 139394640.

The previous prime is 230001157. The next prime is 230001193. The reversal of 230001189 is 981100032.

230001189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 230001189 - 25 = 230001157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230001119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3484834 + ... + 3484899.

It is an arithmetic number, because the mean of its divisors is an integer number (41818404).

Almost surely, 2230001189 is an apocalyptic number.

It is an amenable number.

230001189 is a deficient number, since it is larger than the sum of its proper divisors (104546043).

230001189 is a wasteful number, since it uses less digits than its factorization.

230001189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6969747.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 230001189 is about 15165.7900882216. The cubic root of 230001189 is about 612.6936233058.

The spelling of 230001189 in words is "two hundred thirty million, one thousand, one hundred eighty-nine".

Divisors: 1 3 11 33 6969733 20909199 76667063 230001189