Search a number
-
+
120240424 = 2389971741
BaseRepresentation
bin1110010101010…
…11100100101000
322101020211212001
413022223210220
5221240143144
615533100344
72660012113
oct712534450
9271224761
10120240424
1161966457
12343276b4
131bbac4a5
1411d7d57a
15a851bd4
hex72ab928

120240424 has 32 divisors (see below), whose sum is σ = 230466600. Its totient is φ = 58798080.

The previous prime is 120240383. The next prime is 120240431. The reversal of 120240424 is 424042021.

It can be written as a sum of positive squares in 4 ways, for example, as 39564100 + 80676324 = 6290^2 + 8982^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68194 + ... + 69934.

Almost surely, 2120240424 is an apocalyptic number.

It is an amenable number.

120240424 is a deficient number, since it is larger than the sum of its proper divisors (110226176).

120240424 is a wasteful number, since it uses less digits than its factorization.

120240424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 120240424 is about 10965.4194630210. The cubic root of 120240424 is about 493.5716043231.

Adding to 120240424 its reverse (424042021), we get a palindrome (544282445).

The spelling of 120240424 in words is "one hundred twenty million, two hundred forty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 89 97 178 194 356 388 712 776 1741 3482 6964 8633 13928 17266 34532 69064 154949 168877 309898 337754 619796 675508 1239592 1351016 15030053 30060106 60120212 120240424