Search a number
-
+
120404413 = 412936693
BaseRepresentation
bin1110010110100…
…11100110111101
322101120011210201
413023103212331
5221310420123
615540403501
72661264163
oct713234675
9271504721
10120404413
1161a68688
12343a6591
131bc3901c
1411dc3233
15a8855ad
hex72d39bd

120404413 has 4 divisors (see below), whose sum is σ = 123341148. Its totient is φ = 117467680.

The previous prime is 120404377. The next prime is 120404443. The reversal of 120404413 is 314404021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314404021 = 2411304581.

It can be written as a sum of positive squares in 2 ways, for example, as 34786404 + 85618009 = 5898^2 + 9253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120404413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120404443) 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 3 ways as a sum of consecutive naturals, for example, 1468306 + ... + 1468387.

It is an arithmetic number, because the mean of its divisors is an integer number (30835287).

Almost surely, 2120404413 is an apocalyptic number.

It is an amenable number.

120404413 is a deficient number, since it is larger than the sum of its proper divisors (2936735).

120404413 is an equidigital number, since it uses as much as digits as its factorization.

120404413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936734.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 120404413 is about 10972.8944677328. The cubic root of 120404413 is about 493.7958870348.

Adding to 120404413 its reverse (314404021), we get a palindrome (434808434).

The spelling of 120404413 in words is "one hundred twenty million, four hundred four thousand, four hundred thirteen".

Divisors: 1 41 2936693 120404413