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230180197 = 1324728979
BaseRepresentation
bin11011011100001…
…00010101100101
3121001010100212111
431232010111211
5432411231242
634501321021
75463333202
oct1556042545
9531110774
10230180197
11108a26875
1265106171
13388c3300
14227daca9
151531b817
hexdb84565

230180197 has 12 divisors (see below), whose sum is σ = 254560320. Its totient is φ = 207946128.

The previous prime is 230180189. The next prime is 230180201. The reversal of 230180197 is 791081032.

230180197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230180197 - 23 = 230180189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230180107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6547 + ... + 22432.

It is an arithmetic number, because the mean of its divisors is an integer number (21213360).

Almost surely, 2230180197 is an apocalyptic number.

It is an amenable number.

230180197 is a deficient number, since it is larger than the sum of its proper divisors (24380123).

230180197 is a wasteful number, since it uses less digits than its factorization.

230180197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29052 (or 29039 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 230180197 is about 15171.6906440911. The cubic root of 230180197 is about 612.8525335260.

The spelling of 230180197 in words is "two hundred thirty million, one hundred eighty thousand, one hundred ninety-seven".

Divisors: 1 13 47 169 611 7943 28979 376727 1362013 4897451 17706169 230180197