Search a number
-
+
242949243 = 395384977
BaseRepresentation
bin11100111101100…
…01110001111011
3121221011002201010
432132301301323
5444143333433
640035125003
76010014555
oct1636616173
9557132633
10242949243
111151583a9
1269443763
133b444364
14243a24d5
15164dee63
hexe7b1c7b

242949243 has 8 divisors (see below), whose sum is σ = 324276048. Its totient is φ = 161794304.

The previous prime is 242949199. The next prime is 242949271. The reversal of 242949243 is 342949242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242949243 - 210 = 242948219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242949283) 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, 39630 + ... + 45347.

It is an arithmetic number, because the mean of its divisors is an integer number (40534506).

Almost surely, 2242949243 is an apocalyptic number.

242949243 is a deficient number, since it is larger than the sum of its proper divisors (81326805).

242949243 is an equidigital number, since it uses as much as digits as its factorization.

242949243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85933.

The product of its digits is 124416, while the sum is 39.

The square root of 242949243 is about 15586.8291515625. The cubic root of 242949243 is about 623.9816958183.

Subtracting 242949243 from its reverse (342949242), we obtain a palindrome (99999999).

The spelling of 242949243 in words is "two hundred forty-two million, nine hundred forty-nine thousand, two hundred forty-three".

Divisors: 1 3 953 2859 84977 254931 80983081 242949243