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230132271 = 3191401627
BaseRepresentation
bin11011011011110…
…00101000101111
3121001000221010110
431231320220233
5432403213041
634500311103
75463043365
oct1555705057
9531027113
10230132271
111089a3866
12650a2493
13388a7555
14227c7635
151530c516
hexdb78a2f

230132271 has 8 divisors (see below), whose sum is σ = 308450304. Its totient is φ = 152617880.

The previous prime is 230132263. The next prime is 230132291. The reversal of 230132271 is 172231032.

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 230132271 - 23 = 230132263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230132291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200241 + ... + 201386.

It is an arithmetic number, because the mean of its divisors is an integer number (38556288).

Almost surely, 2230132271 is an apocalyptic number.

230132271 is a deficient number, since it is larger than the sum of its proper divisors (78318033).

230132271 is a wasteful number, since it uses less digits than its factorization.

230132271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401821.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 230132271 is about 15170.1111070420. Note that the first 4 decimals coincide. The cubic root of 230132271 is about 612.8099964042.

The spelling of 230132271 in words is "two hundred thirty million, one hundred thirty-two thousand, two hundred seventy-one".

Divisors: 1 3 191 573 401627 1204881 76710757 230132271