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245200241 = 11132131899
BaseRepresentation
bin11101001110101…
…11010101110001
3122002101110111102
432213113111301
51000232401431
640155254145
76035111336
oct1647272561
9562343442
10245200241
11116455630
126a14a355
133ba51b00
14247ca98d
15167d6dcb
hexe9d7571

245200241 has 12 divisors (see below), whose sum is σ = 289652400. Its totient is φ = 205760880.

The previous prime is 245200223. The next prime is 245200303. The reversal of 245200241 is 142002542.

It is a happy number.

It is not a de Polignac number, because 245200241 - 210 = 245199217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245200201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64091 + ... + 67808.

It is an arithmetic number, because the mean of its divisors is an integer number (24137700).

Almost surely, 2245200241 is an apocalyptic number.

It is an amenable number.

245200241 is a deficient number, since it is larger than the sum of its proper divisors (44452159).

245200241 is a wasteful number, since it uses less digits than its factorization.

245200241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131936 (or 131923 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 245200241 is about 15658.8710001711. The cubic root of 245200241 is about 625.9029006579.

Adding to 245200241 its reverse (142002542), we get a palindrome (387202783).

The spelling of 245200241 in words is "two hundred forty-five million, two hundred thousand, two hundred forty-one".

Divisors: 1 11 13 143 169 1859 131899 1450889 1714687 18861557 22290931 245200241