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245445011 = 7311131083
BaseRepresentation
bin11101010000100…
…11000110010011
3122002211220020222
432220103012103
51000313220021
640204423255
76040151060
oct1650230623
9562756228
10245445011
11116602519
126a247b2b
133bb09346
1424851c67
15168346ab
hexea13193

245445011 has 8 divisors (see below), whose sum is σ = 289557504. Its totient is φ = 203594760.

The previous prime is 245445007. The next prime is 245445041. The reversal of 245445011 is 110544542.

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

It is a cyclic number.

It is not a de Polignac number, because 245445011 - 22 = 245445007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245445041) 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, 565325 + ... + 565758.

It is an arithmetic number, because the mean of its divisors is an integer number (36194688).

Almost surely, 2245445011 is an apocalyptic number.

245445011 is a deficient number, since it is larger than the sum of its proper divisors (44112493).

245445011 is a wasteful number, since it uses less digits than its factorization.

245445011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131121.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 245445011 is about 15666.6847482165. The cubic root of 245445011 is about 626.1110996150. Note that the first 3 decimals are identical.

Adding to 245445011 its reverse (110544542), we get a palindrome (355989553).

The spelling of 245445011 in words is "two hundred forty-five million, four hundred forty-five thousand, eleven".

Divisors: 1 7 31 217 1131083 7917581 35063573 245445011