Search a number
-
+
242502717 = 31016471237
BaseRepresentation
bin11100111010001…
…00110000111101
3121220022102012010
432131010300331
5444040041332
640021401433
76003145002
oct1635046075
9556272163
10242502717
11114982976
1269269279
133b319042
14242c78a9
15164529cc
hexe744c3d

242502717 has 16 divisors (see below), whose sum is σ = 327307392. Its totient is φ = 159691200.

The previous prime is 242502707. The next prime is 242502737. The reversal of 242502717 is 717205242.

It is not a de Polignac number, because 242502717 - 211 = 242500669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242502707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195423 + ... + 196659.

It is an arithmetic number, because the mean of its divisors is an integer number (20456712).

Almost surely, 2242502717 is an apocalyptic number.

It is an amenable number.

242502717 is a deficient number, since it is larger than the sum of its proper divisors (84804675).

242502717 is a wasteful number, since it uses less digits than its factorization.

242502717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 242502717 is about 15572.4987397656. The cubic root of 242502717 is about 623.5991811830.

Adding to 242502717 its reverse (717205242), we get a palindrome (959707959).

The spelling of 242502717 in words is "two hundred forty-two million, five hundred two thousand, seven hundred seventeen".

Divisors: 1 3 101 303 647 1237 1941 3711 65347 124937 196041 374811 800339 2401017 80834239 242502717