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242767 = 779439
BaseRepresentation
bin111011010001001111
3110100000101
4323101033
530232032
65111531
72030530
oct732117
9410011
10242767
11156438
12b85a7
1386665
1464687
154bde7
hex3b44f

242767 has 8 divisors (see below), whose sum is σ = 281600. Its totient is φ = 204984.

The previous prime is 242747. The next prime is 242773. The reversal of 242767 is 767242.

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 242767 - 27 = 242639 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242747) 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, 334 + ... + 772.

It is an arithmetic number, because the mean of its divisors is an integer number (35200).

2242767 is an apocalyptic number.

242767 is a deficient number, since it is larger than the sum of its proper divisors (38833).

242767 is an equidigital number, since it uses as much as digits as its factorization.

242767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its digits is 4704, while the sum is 28.

The square root of 242767 is about 492.7139129353. The cubic root of 242767 is about 62.3825634768.

The spelling of 242767 in words is "two hundred forty-two thousand, seven hundred sixty-seven".

Divisors: 1 7 79 439 553 3073 34681 242767