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230871067 = 7172577549
BaseRepresentation
bin11011100001011…
…01000000011011
3121002102110120021
431300231000123
5433100333232
634524211311
75502241330
oct1560550033
9532373507
10230871067
11109358939
1265399b37
1338aa58cb
142293a987
1515406397
hexdc2d01b

230871067 has 16 divisors (see below), whose sum is σ = 280497600. Its totient is φ = 185499648.

The previous prime is 230871049. The next prime is 230871089. The reversal of 230871067 is 760178032.

It is not a de Polignac number, because 230871067 - 215 = 230838299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230871037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26809 + ... + 34357.

It is an arithmetic number, because the mean of its divisors is an integer number (17531100).

Almost surely, 2230871067 is an apocalyptic number.

230871067 is a deficient number, since it is larger than the sum of its proper divisors (49626533).

230871067 is a wasteful number, since it uses less digits than its factorization.

230871067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 230871067 is about 15194.4419772494. The cubic root of 230871067 is about 613.4650659925.

The spelling of 230871067 in words is "two hundred thirty million, eight hundred seventy-one thousand, sixty-seven".

Divisors: 1 7 17 119 257 1799 4369 7549 30583 52843 128333 898331 1940093 13580651 32981581 230871067