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41663245 = 513640973
BaseRepresentation
bin1001111011101…
…1101100001101
32220101201020011
42132323230031
541131210440
64044553221
71014063121
oct236735415
986351204
1041663245
1121577238
1211b52811
138829910
145767581
1539ce9ea
hex27bbb0d

41663245 has 8 divisors (see below), whose sum is σ = 53841816. Its totient is φ = 30766656.

The previous prime is 41663233. The next prime is 41663267. The reversal of 41663245 is 54236614.

It can be written as a sum of positive squares in 4 ways, for example, as 459684 + 41203561 = 678^2 + 6419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-41663245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320422 + ... + 320551.

It is an arithmetic number, because the mean of its divisors is an integer number (6730227).

Almost surely, 241663245 is an apocalyptic number.

It is an amenable number.

41663245 is a deficient number, since it is larger than the sum of its proper divisors (12178571).

41663245 is a wasteful number, since it uses less digits than its factorization.

41663245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640991.

The product of its digits is 17280, while the sum is 31.

The square root of 41663245 is about 6454.7071970772. The cubic root of 41663245 is about 346.6711471109.

Adding to 41663245 its reverse (54236614), we get a palindrome (95899859).

The spelling of 41663245 in words is "forty-one million, six hundred sixty-three thousand, two hundred forty-five".

Divisors: 1 5 13 65 640973 3204865 8332649 41663245