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230184289 = 3743149971
BaseRepresentation
bin11011011100001…
…01010101100001
3121001010120111001
431232011111201
5432411344124
634501352001
75463351136
oct1556052541
9531116431
10230184289
11108a29955
1265108601
13388c512a
14227dc58d
151531cb44
hexdb85561

230184289 has 16 divisors (see below), whose sum is σ = 243777600. Its totient is φ = 217062720.

The previous prime is 230184287. The next prime is 230184307. The reversal of 230184289 is 982481032.

230184289 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 230184289 - 21 = 230184287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230184287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236574 + ... + 237544.

It is an arithmetic number, because the mean of its divisors is an integer number (15236100).

Almost surely, 2230184289 is an apocalyptic number.

It is an amenable number.

230184289 is a deficient number, since it is larger than the sum of its proper divisors (13593311).

230184289 is a wasteful number, since it uses less digits than its factorization.

230184289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 230184289 is about 15171.8254999192. The cubic root of 230184289 is about 612.8561651412.

The spelling of 230184289 in words is "two hundred thirty million, one hundred eighty-four thousand, two hundred eighty-nine".

Divisors: 1 37 43 149 971 1591 5513 6407 35927 41753 144679 237059 1544861 5353123 6221197 230184289