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242049 = 380683
BaseRepresentation
bin111011000110000001
3110022000210
4323012001
530221144
65104333
72025453
oct730601
9408023
10242049
11155945
12b80a9
1386232
14642d3
154bab9
hex3b181

242049 has 4 divisors (see below), whose sum is σ = 322736. Its totient is φ = 161364.

The previous prime is 242009. The next prime is 242057. The reversal of 242049 is 940242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 242049 - 27 = 241921 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242009) 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, 40339 + ... + 40344.

It is an arithmetic number, because the mean of its divisors is an integer number (80684).

2242049 is an apocalyptic number.

It is an amenable number.

242049 is a deficient number, since it is larger than the sum of its proper divisors (80687).

242049 is an equidigital number, since it uses as much as digits as its factorization.

242049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80686.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 242049 is about 491.9847558614. The cubic root of 242049 is about 62.3210025145.

The spelling of 242049 in words is "two hundred forty-two thousand, forty-nine".

Divisors: 1 3 80683 242049