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121411242 = 2326745069
BaseRepresentation
bin1110011110010…
…01011010101010
322110110022220200
413033021122222
5222040124432
620014133030
73002656431
oct717113252
9273408820
10121411242
1162596077
12347b1176
131c1cc394
14121a6118
15a9d3a7c
hex73c96aa

121411242 has 12 divisors (see below), whose sum is σ = 263057730. Its totient is φ = 40470408.

The previous prime is 121411237. The next prime is 121411249. The reversal of 121411242 is 242114121.

121411242 is a `hidden beast` number, since 12 + 1 + 411 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 110061081 + 11350161 = 10491^2 + 3369^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6745069 = 121411242 / (1 + 2 + 1 + 4 + 1 + 1 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (121411249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3372517 + ... + 3372552.

Almost surely, 2121411242 is an apocalyptic number.

121411242 is an abundant number, since it is smaller than the sum of its proper divisors (141646488).

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

121411242 is a wasteful number, since it uses less digits than its factorization.

121411242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745077 (or 6745074 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 121411242 is about 11018.6769623217. The cubic root of 121411242 is about 495.1684520039.

Adding to 121411242 its reverse (242114121), we get a palindrome (363525363).

The spelling of 121411242 in words is "one hundred twenty-one million, four hundred eleven thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 6745069 13490138 20235207 40470414 60705621 121411242