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230254047 = 3226995107
BaseRepresentation
bin11011011100101…
…10010111011111
3121001021010011200
431232112113133
5432421112142
634503050543
75464061412
oct1556262737
9531233150
10230254047
11108a77301
1265140a53
133891aaca
1422819b79
151533364c
hexdb965df

230254047 has 12 divisors (see below), whose sum is σ = 333829080. Its totient is φ = 152930448.

The previous prime is 230254007. The next prime is 230254093. The reversal of 230254047 is 740452032.

230254047 is a `hidden beast` number, since 230 + 25 + 404 + 7 = 666.

It is not a de Polignac number, because 230254047 - 26 = 230253983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230254047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230254007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45133 + ... + 49974.

It is an arithmetic number, because the mean of its divisors is an integer number (27819090).

Almost surely, 2230254047 is an apocalyptic number.

230254047 is a deficient number, since it is larger than the sum of its proper divisors (103575033).

230254047 is a wasteful number, since it uses less digits than its factorization.

230254047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95382 (or 95379 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 230254047 is about 15174.1242580915. The cubic root of 230254047 is about 612.9180681533.

It can be divided in two parts, 23025 and 4047, that added together give a palindrome (27072).

The spelling of 230254047 in words is "two hundred thirty million, two hundred fifty-four thousand, forty-seven".

Divisors: 1 3 9 269 807 2421 95107 285321 855963 25583783 76751349 230254047