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245104441 is a prime number
BaseRepresentation
bin11101001101111…
…11111100111001
3122002012121002021
432212333330321
51000221320231
640153234441
76034232131
oct1646777471
9562177067
10245104441
1111639a65a
126a102a21
133ba1a31a
14247a3ac1
15167b8811
hexe9bff39

245104441 has 2 divisors, whose sum is σ = 245104442. Its totient is φ = 245104440.

The previous prime is 245104439. The next prime is 245104451. The reversal of 245104441 is 144401542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235929600 + 9174841 = 15360^2 + 3029^2 .

It is a cyclic number.

It is not a de Polignac number, because 245104441 - 21 = 245104439 is a prime.

Together with 245104439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (245104411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122552220 + 122552221.

It is an arithmetic number, because the mean of its divisors is an integer number (122552221).

Almost surely, 2245104441 is an apocalyptic number.

It is an amenable number.

245104441 is a deficient number, since it is larger than the sum of its proper divisors (1).

245104441 is an equidigital number, since it uses as much as digits as its factorization.

245104441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 245104441 is about 15655.8117323887. The cubic root of 245104441 is about 625.8213763924.

Adding to 245104441 its reverse (144401542), we get a palindrome (389505983).

The spelling of 245104441 in words is "two hundred forty-five million, one hundred four thousand, four hundred forty-one".