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242104243 = 1409171827
BaseRepresentation
bin11100110111000…
…11011110110011
3121212120011120211
432123203132303
5443434313433
640005044551
75666565163
oct1633433663
9555504524
10242104243
11114730557
12690b6757
133b209864
14242225a3
15163c48cd
hexe6e37b3

242104243 has 4 divisors (see below), whose sum is σ = 242277480. Its totient is φ = 241931008.

The previous prime is 242104237. The next prime is 242104253. The reversal of 242104243 is 342401242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242104243 - 25 = 242104211 is a prime.

It is a super-2 number, since 2×2421042432 = 117228928957206098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242104253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84505 + ... + 87322.

It is an arithmetic number, because the mean of its divisors is an integer number (60569370).

Almost surely, 2242104243 is an apocalyptic number.

242104243 is a deficient number, since it is larger than the sum of its proper divisors (173237).

242104243 is a wasteful number, since it uses less digits than its factorization.

242104243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173236.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 242104243 is about 15559.6993222877. The cubic root of 242104243 is about 623.2574334140.

Adding to 242104243 its reverse (342401242), we get a palindrome (584505485).

The spelling of 242104243 in words is "two hundred forty-two million, one hundred four thousand, two hundred forty-three".

Divisors: 1 1409 171827 242104243