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230266047 = 31131225089
BaseRepresentation
bin11011011100110…
…01010010111111
3121001021201122010
431232121102333
5432422003142
634503222303
75464141404
oct1556312277
9531251563
10230266047
11108a85320
1265147993
13389233cb
14228202ab
1515336e9c
hexdb994bf

230266047 has 16 divisors (see below), whose sum is σ = 345738240. Its totient is φ = 135052800.

The previous prime is 230266039. The next prime is 230266093. The reversal of 230266047 is 740662032.

It is not a de Polignac number, because 230266047 - 23 = 230266039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230266027) 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, 111522 + ... + 113567.

It is an arithmetic number, because the mean of its divisors is an integer number (21608640).

Almost surely, 2230266047 is an apocalyptic number.

230266047 is a deficient number, since it is larger than the sum of its proper divisors (115472193).

230266047 is a wasteful number, since it uses less digits than its factorization.

230266047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225134.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 230266047 is about 15174.5196629086. The cubic root of 230266047 is about 612.9287156520.

The spelling of 230266047 in words is "two hundred thirty million, two hundred sixty-six thousand, forty-seven".

Divisors: 1 3 11 31 33 93 341 1023 225089 675267 2475979 6977759 7427937 20933277 76755349 230266047