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243107 = 2983101
BaseRepresentation
bin111011010110100011
3110100110222
4323112203
530234412
65113255
72031524
oct732643
9410428
10243107
11156717
12b882b
1386867
146484b
154c072
hex3b5a3

243107 has 8 divisors (see below), whose sum is σ = 257040. Its totient is φ = 229600.

The previous prime is 243101. The next prime is 243109. The reversal of 243107 is 701342.

It is a happy number.

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 243107 - 24 = 243091 is a prime.

It is a d-powerful number, because it can be written as 215 + 47 + 1 + 311 + 0 + 75 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243101) 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, 2357 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (32130).

2243107 is an apocalyptic number.

243107 is a deficient number, since it is larger than the sum of its proper divisors (13933).

243107 is a wasteful number, since it uses less digits than its factorization.

243107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 243107 is about 493.0588200205. The cubic root of 243107 is about 62.4116725644.

Adding to 243107 its reverse (701342), we get a palindrome (944449).

The spelling of 243107 in words is "two hundred forty-three thousand, one hundred seven", and thus it is an iban number.

Divisors: 1 29 83 101 2407 2929 8383 243107