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242761 = 3141191
BaseRepresentation
bin111011010001001001
3110100000011
4323101021
530232021
65111521
72030521
oct732111
9410004
10242761
11156432
12b85a1
138665c
1464681
154bde1
hex3b449

242761 has 8 divisors (see below), whose sum is σ = 258048. Its totient is φ = 228000.

The previous prime is 242747. The next prime is 242773. The reversal of 242761 is 167242.

242761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242761 - 25 = 242729 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (242731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176 + ... + 1366.

It is an arithmetic number, because the mean of its divisors is an integer number (32256).

2242761 is an apocalyptic number.

It is an amenable number.

242761 is a deficient number, since it is larger than the sum of its proper divisors (15287).

242761 is a wasteful number, since it uses less digits than its factorization.

242761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263.

The product of its digits is 672, while the sum is 22.

The square root of 242761 is about 492.7078241717. The cubic root of 242761 is about 62.3820495431.

The spelling of 242761 in words is "two hundred forty-two thousand, seven hundred sixty-one".

Divisors: 1 31 41 191 1271 5921 7831 242761