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230111446 = 25915712421
BaseRepresentation
bin11011011011100…
…11100011010110
3121000222212120011
431231303203112
5432402031241
634500030434
75462625565
oct1555634326
9530885504
10230111446
1110898a154
126509241a
133889ac26
14227bdbdc
1515306281
hexdb738d6

230111446 has 16 divisors (see below), whose sum is σ = 353281680. Its totient is φ = 112376160.

The previous prime is 230111383. The next prime is 230111449. The reversal of 230111446 is 644111032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230111449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12316 + ... + 24736.

It is an arithmetic number, because the mean of its divisors is an integer number (22080105).

Almost surely, 2230111446 is an apocalyptic number.

230111446 is a deficient number, since it is larger than the sum of its proper divisors (123170234).

230111446 is a wasteful number, since it uses less digits than its factorization.

230111446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12639.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 230111446 is about 15169.4247089334. The cubic root of 230111446 is about 612.7915111608.

Adding to 230111446 its reverse (644111032), we get a palindrome (874222478).

The spelling of 230111446 in words is "two hundred thirty million, one hundred eleven thousand, four hundred forty-six".

Divisors: 1 2 59 118 157 314 9263 12421 18526 24842 732839 1465678 1950097 3900194 115055723 230111446