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245023223 = 1392696553
BaseRepresentation
bin11101001101011…
…00000111110111
3122002001110200012
432212230013313
51000211220343
640151410435
76033443264
oct1646540767
9562043605
10245023223
11116344635
126a083a1b
133b9bc373
142478226b
151679e718
hexe9ac1f7

245023223 has 8 divisors (see below), whose sum is σ = 247741200. Its totient is φ = 242319168.

The previous prime is 245023217. The next prime is 245023243. The reversal of 245023223 is 322320542.

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 245023223 - 210 = 245022199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245023243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34115 + ... + 40667.

It is an arithmetic number, because the mean of its divisors is an integer number (30967650).

Almost surely, 2245023223 is an apocalyptic number.

245023223 is a deficient number, since it is larger than the sum of its proper divisors (2717977).

245023223 is a wasteful number, since it uses less digits than its factorization.

245023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 245023223 is about 15653.2176564437. The cubic root of 245023223 is about 625.7522445351.

Adding to 245023223 its reverse (322320542), we get a palindrome (567343765).

The spelling of 245023223 in words is "two hundred forty-five million, twenty-three thousand, two hundred twenty-three".

Divisors: 1 139 269 6553 37391 910867 1762757 245023223