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245344001 = 735049143
BaseRepresentation
bin11101001111110…
…10011100000001
3122002122202200212
432213322130001
51000302002001
640202323505
76036250430
oct1647723401
9562582625
10245344001
11116543641
126a1b9595
133baa2386
1424827117
15168147bb
hexe9fa701

245344001 has 4 divisors (see below), whose sum is σ = 280393152. Its totient is φ = 210294852.

The previous prime is 245343961. The next prime is 245344009. The reversal of 245344001 is 100443542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100443542 = 250221771.

It is a cyclic number.

It is not a de Polignac number, because 245344001 - 218 = 245081857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245344009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17524565 + ... + 17524578.

It is an arithmetic number, because the mean of its divisors is an integer number (70098288).

Almost surely, 2245344001 is an apocalyptic number.

It is an amenable number.

245344001 is a deficient number, since it is larger than the sum of its proper divisors (35049151).

245344001 is an equidigital number, since it uses as much as digits as its factorization.

245344001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35049150.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 245344001 is about 15663.4606967937. The cubic root of 245344001 is about 626.0251982834.

Adding to 245344001 its reverse (100443542), we get a palindrome (345787543).

The spelling of 245344001 in words is "two hundred forty-five million, three hundred forty-four thousand, one".

Divisors: 1 7 35049143 245344001