Search a number
-
+
242502783 = 3262130841
BaseRepresentation
bin11100111010001…
…00110001111111
3121220022102021120
432131010301333
5444040042113
640021402023
76003145125
oct1635046177
9556272246
10242502783
11114982a26
1269269313
133b319093
14242c7915
1516452a23
hexe744c7f

242502783 has 8 divisors (see below), whose sum is σ = 323470896. Its totient is φ = 161601600.

The previous prime is 242502779. The next prime is 242502791. The reversal of 242502783 is 387205242.

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

It is not a de Polignac number, because 242502783 - 22 = 242502779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242502383) 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 7 ways as a sum of consecutive naturals, for example, 7558 + ... + 23283.

It is an arithmetic number, because the mean of its divisors is an integer number (40433862).

Almost surely, 2242502783 is an apocalyptic number.

242502783 is a deficient number, since it is larger than the sum of its proper divisors (80968113).

242502783 is a wasteful number, since it uses less digits than its factorization.

242502783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33465.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 242502783 is about 15572.5008588858. The cubic root of 242502783 is about 623.5992377563.

The spelling of 242502783 in words is "two hundred forty-two million, five hundred two thousand, seven hundred eighty-three".

Divisors: 1 3 2621 7863 30841 92523 80834261 242502783