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242207 = 724943
BaseRepresentation
bin111011001000011111
3110022020122
4323020133
530222312
65105155
72026100
oct731037
9408218
10242207
11155a79
12b81bb
1386324
14643a7
154bb72
hex3b21f

242207 has 6 divisors (see below), whose sum is σ = 281808. Its totient is φ = 207564.

The previous prime is 242201. The next prime is 242227. The reversal of 242207 is 702242.

It is not a de Polignac number, because 242207 - 28 = 241951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242201) 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 5 ways as a sum of consecutive naturals, for example, 2423 + ... + 2520.

It is an arithmetic number, because the mean of its divisors is an integer number (46968).

2242207 is an apocalyptic number.

242207 is a deficient number, since it is larger than the sum of its proper divisors (39601).

242207 is an equidigital number, since it uses as much as digits as its factorization.

242207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957 (or 4950 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 242207 is about 492.1453037468. The cubic root of 242207 is about 62.3345597923.

Adding to 242207 its reverse (702242), we get a palindrome (944449).

The spelling of 242207 in words is "two hundred forty-two thousand, two hundred seven", and thus it is an iban number.

Divisors: 1 7 49 4943 34601 242207