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121443234 = 23111840049
BaseRepresentation
bin1110011110100…
…01001110100010
322110111221210120
413033101032202
5222042140414
620014541110
73003151623
oct717211642
9273457716
10121443234
1162608110
1234807796
131c210b03
14121b3a4a
15a9dd2a9
hex73d13a2

121443234 has 16 divisors (see below), whose sum is σ = 264967200. Its totient is φ = 36800960.

The previous prime is 121443233. The next prime is 121443241. The reversal of 121443234 is 432344121.

It is not an unprimeable number, because it can be changed into a prime (121443233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919959 + ... + 920090.

It is an arithmetic number, because the mean of its divisors is an integer number (16560450).

Almost surely, 2121443234 is an apocalyptic number.

121443234 is an abundant number, since it is smaller than the sum of its proper divisors (143523966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121443234 is a wasteful number, since it uses less digits than its factorization.

121443234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840065.

The product of its digits is 2304, while the sum is 24.

The square root of 121443234 is about 11020.1285836418. The cubic root of 121443234 is about 495.2119406673.

Adding to 121443234 its reverse (432344121), we get a palindrome (553787355).

The spelling of 121443234 in words is "one hundred twenty-one million, four hundred forty-three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 1840049 3680098 5520147 11040294 20240539 40481078 60721617 121443234