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255424345 = 51123113619
BaseRepresentation
bin11110011100101…
…11011101011001
3122210121220022221
433032113131121
51010342034340
641202344041
76221033251
oct1716273531
9583556287
10255424345
111211a9100
127165b021
1340bc1687
1425ccc961
151765644a
hexf397759

255424345 has 24 divisors (see below), whose sum is σ = 347800320. Its totient is φ = 179757600.

The previous prime is 255424327. The next prime is 255424349. The reversal of 255424345 is 543424552.

It is not a de Polignac number, because 255424345 - 27 = 255424217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255424345.

It is not an unprimeable number, because it can be changed into a prime (255424349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11946 + ... + 25564.

It is an arithmetic number, because the mean of its divisors is an integer number (14491680).

Almost surely, 2255424345 is an apocalyptic number.

It is an amenable number.

255424345 is a deficient number, since it is larger than the sum of its proper divisors (92375975).

255424345 is a wasteful number, since it uses less digits than its factorization.

255424345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13677 (or 13666 counting only the distinct ones).

The product of its digits is 96000, while the sum is 34.

The square root of 255424345 is about 15982.0006569891. Note that the first 3 decimals coincide. The cubic root of 255424345 is about 634.4841285240.

Adding to 255424345 its reverse (543424552), we get a palindrome (798848897).

The spelling of 255424345 in words is "two hundred fifty-five million, four hundred twenty-four thousand, three hundred forty-five".

Divisors: 1 5 11 31 55 121 155 341 605 1705 3751 13619 18755 68095 149809 422189 749045 1647899 2110945 4644079 8239495 23220395 51084869 255424345