Search a number
-
+
242949242 = 2121474621
BaseRepresentation
bin11100111101100…
…01110001111010
3121221011002201002
432132301301322
5444143333432
640035125002
76010014554
oct1636616172
9557132632
10242949242
111151583a8
1269443762
133b444363
14243a24d4
15164dee62
hexe7b1c7a

242949242 has 4 divisors (see below), whose sum is σ = 364423866. Its totient is φ = 121474620.

The previous prime is 242949199. The next prime is 242949271.

It is a happy number.

242949242 is nontrivially palindromic in base 10.

242949242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 242082481 + 866761 = 15559^2 + 931^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242949196 and 242949205.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 60737309 + ... + 60737312.

Almost surely, 2242949242 is an apocalyptic number.

242949242 is a deficient number, since it is larger than the sum of its proper divisors (121474624).

242949242 is a wasteful number, since it uses less digits than its factorization.

242949242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121474623.

The product of its digits is 82944, while the sum is 38.

The square root of 242949242 is about 15586.8291194842. The cubic root of 242949242 is about 623.9816949622.

The spelling of 242949242 in words is "two hundred forty-two million, nine hundred forty-nine thousand, two hundred forty-two".

Divisors: 1 2 121474621 242949242