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242641 = 7172039
BaseRepresentation
bin111011001111010001
3110022211201
4323033101
530231031
65111201
72030260
oct731721
9408751
10242641
11156333
12b8501
1386599
14645d7
154bd61
hex3b3d1

242641 has 8 divisors (see below), whose sum is σ = 293760. Its totient is φ = 195648.

The previous prime is 242639. The next prime is 242647. The reversal of 242641 is 146242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242641 - 21 = 242639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901 + ... + 1138.

It is an arithmetic number, because the mean of its divisors is an integer number (36720).

2242641 is an apocalyptic number.

It is an amenable number.

242641 is a deficient number, since it is larger than the sum of its proper divisors (51119).

242641 is a wasteful number, since it uses less digits than its factorization.

242641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063.

The product of its digits is 384, while the sum is 19.

The square root of 242641 is about 492.5860330947. The cubic root of 242641 is about 62.3717690893.

Adding to 242641 its reverse (146242), we get a palindrome (388883).

The spelling of 242641 in words is "two hundred forty-two thousand, six hundred forty-one".

Divisors: 1 7 17 119 2039 14273 34663 242641