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255305043 = 3272578923
BaseRepresentation
bin11110011011110…
…10010101010011
3122210101211200100
433031322111103
51010324230133
641200023443
76220025400
oct1715722523
9583354610
10255305043
11121127504
1271601b83
1340b7c296
1425c9b2a7
1517630e13
hexf37a553

255305043 has 18 divisors (see below), whose sum is σ = 428982684. Its totient is φ = 145888344.

The previous prime is 255305003. The next prime is 255305047. The reversal of 255305043 is 340503552.

It is not a de Polignac number, because 255305043 - 28 = 255304787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255304998 and 255305016.

It is not an unprimeable number, because it can be changed into a prime (255305047) 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 17 ways as a sum of consecutive naturals, for example, 289021 + ... + 289902.

Almost surely, 2255305043 is an apocalyptic number.

255305043 is a deficient number, since it is larger than the sum of its proper divisors (173677641).

255305043 is a wasteful number, since it uses less digits than its factorization.

255305043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578943 (or 578933 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 255305043 is about 15978.2678347811. The cubic root of 255305043 is about 634.3853295187.

Adding to 255305043 its reverse (340503552), we get a palindrome (595808595).

The spelling of 255305043 in words is "two hundred fifty-five million, three hundred five thousand, forty-three".

Divisors: 1 3 7 9 21 49 63 147 441 578923 1736769 4052461 5210307 12157383 28367227 36472149 85101681 255305043