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254230223 = 13171150363
BaseRepresentation
bin11110010011100…
…11111011001111
3122201101020022012
433021303323033
51010040331343
641121011435
76204630662
oct1711637317
9581336265
10254230223
11120562a25
1271183b7b
1340893cb0
1425a9b6d9
15174bc718
hexf273ecf

254230223 has 8 divisors (see below), whose sum is σ = 289891728. Its totient is φ = 220869504.

The previous prime is 254230159. The next prime is 254230237. The reversal of 254230223 is 322032452.

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 254230223 - 26 = 254230159 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 (254230243) 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 7 ways as a sum of consecutive naturals, for example, 574961 + ... + 575402.

It is an arithmetic number, because the mean of its divisors is an integer number (36236466).

Almost surely, 2254230223 is an apocalyptic number.

254230223 is a deficient number, since it is larger than the sum of its proper divisors (35661505).

254230223 is a wasteful number, since it uses less digits than its factorization.

254230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150393.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 254230223 is about 15944.5985524879. The cubic root of 254230223 is about 633.4938350065.

Adding to 254230223 its reverse (322032452), we get a palindrome (576262675).

The spelling of 254230223 in words is "two hundred fifty-four million, two hundred thirty thousand, two hundred twenty-three".

Divisors: 1 13 17 221 1150363 14954719 19556171 254230223