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230112441 = 33131016491
BaseRepresentation
bin11011011011100…
…11110010111001
3121000222220221000
431231303302321
5432402044231
634500035213
75462631516
oct1555636271
9530886830
10230112441
1110898a979
1265092b09
133889b510
14227c030d
15153066e6
hexdb73cb9

230112441 has 32 divisors (see below), whose sum is σ = 370823040. Its totient is φ = 140184000.

The previous prime is 230112433. The next prime is 230112451. The reversal of 230112441 is 144211032.

It is not a de Polignac number, because 230112441 - 23 = 230112433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230112451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32206 + ... + 38696.

It is an arithmetic number, because the mean of its divisors is an integer number (11588220).

Almost surely, 2230112441 is an apocalyptic number.

It is an amenable number.

230112441 is a deficient number, since it is larger than the sum of its proper divisors (140710599).

230112441 is a wasteful number, since it uses less digits than its factorization.

230112441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614 (or 6608 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 230112441 is about 15169.4575051318. The cubic root of 230112441 is about 612.7923943947.

Adding to 230112441 its reverse (144211032), we get a palindrome (374323473).

It can be divided in two parts, 23011 and 2441, that added together give a palindrome (25452).

The spelling of 230112441 in words is "two hundred thirty million, one hundred twelve thousand, four hundred forty-one".

Divisors: 1 3 9 13 27 39 101 117 303 351 909 1313 2727 3939 6491 11817 19473 35451 58419 84383 175257 253149 655591 759447 1966773 2278341 5900319 8522683 17700957 25568049 76704147 230112441