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230280231 = 3419719301
BaseRepresentation
bin11011011100111…
…00110000100111
3121001022110002110
431232130300213
5432422431411
634503412103
75464230636
oct1556346047
9531273073
10230280231
11108a94a45
1265154033
13389299bc
142282551d
151533b2a6
hexdb9cc27

230280231 has 16 divisors (see below), whose sum is σ = 317788128. Its totient is φ = 148224000.

The previous prime is 230280229. The next prime is 230280233. The reversal of 230280231 is 132082032.

It is an interprime number because it is at equal distance from previous prime (230280229) and next prime (230280233).

It is not a de Polignac number, because 230280231 - 21 = 230280229 is a prime.

It is a super-2 number, since 2×2302802312 = 106057969578826722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230280198 and 230280207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230280233) 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, 2281 + ... + 21581.

It is an arithmetic number, because the mean of its divisors is an integer number (19861758).

Almost surely, 2230280231 is an apocalyptic number.

230280231 is a deficient number, since it is larger than the sum of its proper divisors (87507897).

230280231 is a wasteful number, since it uses less digits than its factorization.

230280231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19442.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 230280231 is about 15174.9870181164. The cubic root of 230280231 is about 612.9413005186.

The spelling of 230280231 in words is "two hundred thirty million, two hundred eighty thousand, two hundred thirty-one".

Divisors: 1 3 41 97 123 291 3977 11931 19301 57903 791341 1872197 2374023 5616591 76760077 230280231