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242342756 = 22421143909
BaseRepresentation
bin11100111000111…
…01101101100100
3121220000021202122
432130131231210
5444014432011
640014125112
76001610435
oct1634355544
9556007678
10242342756
11114883777
12691b0798
133b2912a6
142428548c
15164203db
hexe71db64

242342756 has 12 divisors (see below), whose sum is σ = 425110140. Its totient is φ = 120882720.

The previous prime is 242342731. The next prime is 242342767. The reversal of 242342756 is 657243242.

It can be written as a sum of positive squares in 2 ways, for example, as 25664356 + 216678400 = 5066^2 + 14720^2 .

It is a super-2 number, since 2×2423427562 = 117460022771351072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70271 + ... + 73638.

It is an arithmetic number, because the mean of its divisors is an integer number (35425845).

Almost surely, 2242342756 is an apocalyptic number.

It is an amenable number.

242342756 is a deficient number, since it is larger than the sum of its proper divisors (182767384).

242342756 is a wasteful number, since it uses less digits than its factorization.

242342756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144334 (or 144332 counting only the distinct ones).

The product of its digits is 80640, while the sum is 35.

The square root of 242342756 is about 15567.3618831194. The cubic root of 242342756 is about 623.4620370294.

Adding to 242342756 its reverse (657243242), we get a palindrome (899585998).

The spelling of 242342756 in words is "two hundred forty-two million, three hundred forty-two thousand, seven hundred fifty-six".

Divisors: 1 2 4 421 842 1684 143909 287818 575636 60585689 121171378 242342756