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207268 = 2251817
BaseRepresentation
bin110010100110100100
3101112022121
4302212210
523113033
64235324
71522165
oct624644
9345277
10207268
111317a6
129bb44
1373459
145576c
154162d
hex329a4

207268 has 6 divisors (see below), whose sum is σ = 362726. Its totient is φ = 103632.

The previous prime is 207257. The next prime is 207269. The reversal of 207268 is 862702.

207268 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in only one way, i.e., 166464 + 40804 = 408^2 + 202^2 .

It is not an unprimeable number, because it can be changed into a prime (207269) by changing a digit.

207268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25905 + ... + 25912.

2207268 is an apocalyptic number.

It is an amenable number.

207268 is a deficient number, since it is larger than the sum of its proper divisors (155458).

207268 is a wasteful number, since it uses less digits than its factorization.

207268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51821 (or 51819 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 207268 is about 455.2669546541. The cubic root of 207268 is about 59.1803349585.

The spelling of 207268 in words is "two hundred seven thousand, two hundred sixty-eight".

Divisors: 1 2 4 51817 103634 207268