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242395 = 548479
BaseRepresentation
bin111011001011011011
3110022111121
4323023123
530224040
65110111
72026456
oct731333
9408447
10242395
1115612a
12b8337
138643a
146449d
154bc4a
hex3b2db

242395 has 4 divisors (see below), whose sum is σ = 290880. Its totient is φ = 193912.

The previous prime is 242393. The next prime is 242399. The reversal of 242395 is 593242.

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 242395 - 21 = 242393 is a prime.

It is a d-powerful number, because it can be written as 2 + 45 + 311 + 211 + 95 + 55 .

It is not an unprimeable number, because it can be changed into a prime (242393) 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, 24235 + ... + 24244.

It is an arithmetic number, because the mean of its divisors is an integer number (72720).

2242395 is an apocalyptic number.

242395 is a deficient number, since it is larger than the sum of its proper divisors (48485).

242395 is an equidigital number, since it uses as much as digits as its factorization.

242395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48484.

The product of its digits is 2160, while the sum is 25.

The square root of 242395 is about 492.3362671996. The cubic root of 242395 is about 62.3506835577.

The spelling of 242395 in words is "two hundred forty-two thousand, three hundred ninety-five".

Divisors: 1 5 48479 242395