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121232230 = 2572337433
BaseRepresentation
bin1110011100111…
…01101101100110
322110010020100121
413032131231212
5222013412410
620010232154
73001312510
oct716355546
9273106317
10121232230
1162483629
123472565a
131c168a62
141215abb0
15a99a9da
hex739db66

121232230 has 32 divisors (see below), whose sum is σ = 250496064. Its totient is φ = 41381376.

The previous prime is 121232213. The next prime is 121232231. The reversal of 121232230 is 32232121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232231) 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 15 ways as a sum of consecutive naturals, for example, 12594 + ... + 20026.

It is an arithmetic number, because the mean of its divisors is an integer number (7828002).

Almost surely, 2121232230 is an apocalyptic number.

121232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121232230 is an abundant number, since it is smaller than the sum of its proper divisors (129263834).

121232230 is a wasteful number, since it uses less digits than its factorization.

121232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121232230 is about 11010.5508490720. The cubic root of 121232230 is about 494.9249690717.

Adding to 121232230 its reverse (32232121), we get a palindrome (153464351).

The spelling of 121232230 in words is "one hundred twenty-one million, two hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 233 466 1165 1631 2330 3262 7433 8155 14866 16310 37165 52031 74330 104062 260155 520310 1731889 3463778 8659445 12123223 17318890 24246446 60616115 121232230