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207243 = 3223027
BaseRepresentation
bin110010100110001011
3101112021200
4302212023
523112433
64235243
71522131
oct624613
9345250
10207243
11131783
129bb23
137343a
1455751
1541613
hex3298b

207243 has 6 divisors (see below), whose sum is σ = 299364. Its totient is φ = 138156.

The previous prime is 207241. The next prime is 207257. The reversal of 207243 is 342702.

It is a happy number.

207243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 207243 - 21 = 207241 is a prime.

It is a super-3 number, since 3×2072433 = 26703049814333721, which contains 333 as substring. Note that it is a super-d number also for d = 2.

207243 is a modest number, since divided by 243 gives 207 as remainder.

It is not an unprimeable number, because it can be changed into a prime (207241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11505 + ... + 11522.

It is an arithmetic number, because the mean of its divisors is an integer number (49894).

2207243 is an apocalyptic number.

207243 is a deficient number, since it is larger than the sum of its proper divisors (92121).

207243 is a wasteful number, since it uses less digits than its factorization.

207243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23033 (or 23030 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 207243 is about 455.2394974077. The cubic root of 207243 is about 59.1779554823.

Adding to 207243 its reverse (342702), we get a palindrome (549945).

The spelling of 207243 in words is "two hundred seven thousand, two hundred forty-three", and thus it is an iban number.

Divisors: 1 3 9 23027 69081 207243