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245240343 = 3227248927
BaseRepresentation
bin11101001111000…
…01001000010111
3122002110111111200
432213201020113
51000240142333
640200203543
76035336265
oct1647411027
9562414450
10245240343
11116482777
126a1695b3
133ba6713a
14247db435
15167e3c13
hexe9e1217

245240343 has 6 divisors (see below), whose sum is σ = 354236064. Its totient is φ = 163493556.

The previous prime is 245240323. The next prime is 245240357. The reversal of 245240343 is 343042542.

245240343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245240343 - 26 = 245240279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245240323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13624455 + ... + 13624472.

It is an arithmetic number, because the mean of its divisors is an integer number (59039344).

Almost surely, 2245240343 is an apocalyptic number.

245240343 is a deficient number, since it is larger than the sum of its proper divisors (108995721).

245240343 is a wasteful number, since it uses less digits than its factorization.

245240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27248933 (or 27248930 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 245240343 is about 15660.1514360494. The cubic root of 245240343 is about 625.9370205127.

Adding to 245240343 its reverse (343042542), we get a palindrome (588282885).

The spelling of 245240343 in words is "two hundred forty-five million, two hundred forty thousand, three hundred forty-three".

Divisors: 1 3 9 27248927 81746781 245240343