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245352449 = 1744332579
BaseRepresentation
bin11101001111111…
…00100000000001
3122002200012021202
432213330200001
51000302234244
640202430545
76036314156
oct1647744001
9562605252
10245352449
11116549a21
126a202455
133baa6184
142482a22d
151681704e
hexe9fc801

245352449 has 8 divisors (see below), whose sum is σ = 260379360. Its totient is φ = 230391616.

The previous prime is 245352421. The next prime is 245352461. The reversal of 245352449 is 944253542.

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

It is a de Polignac number, because none of the positive numbers 2k-245352449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245352409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8759 + ... + 23820.

It is an arithmetic number, because the mean of its divisors is an integer number (32547420).

Almost surely, 2245352449 is an apocalyptic number.

It is an amenable number.

245352449 is a deficient number, since it is larger than the sum of its proper divisors (15026911).

245352449 is a wasteful number, since it uses less digits than its factorization.

245352449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33039.

The product of its digits is 172800, while the sum is 38.

The square root of 245352449 is about 15663.7303666783. The cubic root of 245352449 is about 626.0323835691.

The spelling of 245352449 in words is "two hundred forty-five million, three hundred fifty-two thousand, four hundred forty-nine".

Divisors: 1 17 443 7531 32579 553843 14432497 245352449