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242388243 = 3226932027
BaseRepresentation
bin11100111001010…
…00110100010011
3121220002121011100
432130220310103
5444022410433
640015115443
76002160156
oct1634506423
9556077140
10242388243
11114904969
1269212b83
133b2a8bc6
1424297c9d
151642db13
hexe728d13

242388243 has 6 divisors (see below), whose sum is σ = 350116364. Its totient is φ = 161592156.

The previous prime is 242388241. The next prime is 242388253. The reversal of 242388243 is 342883242.

It is a happy number.

242388243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242388243 - 21 = 242388241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242388198 and 242388207.

It is not an unprimeable number, because it can be changed into a prime (242388241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13466005 + ... + 13466022.

Almost surely, 2242388243 is an apocalyptic number.

242388243 is a deficient number, since it is larger than the sum of its proper divisors (107728121).

242388243 is a wasteful number, since it uses less digits than its factorization.

242388243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26932033 (or 26932030 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 242388243 is about 15568.8227878668. The cubic root of 242388243 is about 623.5010419001.

The spelling of 242388243 in words is "two hundred forty-two million, three hundred eighty-eight thousand, two hundred forty-three".

Divisors: 1 3 9 26932027 80796081 242388243