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255244743 = 33132333121
BaseRepresentation
bin11110011011010…
…11100111000111
3122210021202222000
433031223213013
51010320312433
641154440343
76216354525
oct1715534707
9583252860
10255244743
11121096176
12715930b3
1340b5a9c0
1425c83315
151761d113
hexf36b9c7

255244743 has 32 divisors (see below), whose sum is σ = 409106880. Its totient is φ = 156349440.

The previous prime is 255244729. The next prime is 255244771. The reversal of 255244743 is 347442552.

It is not a de Polignac number, because 255244743 - 28 = 255244487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255244698 and 255244707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255244243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80223 + ... + 83343.

It is an arithmetic number, because the mean of its divisors is an integer number (12784590).

Almost surely, 2255244743 is an apocalyptic number.

255244743 is a deficient number, since it is larger than the sum of its proper divisors (153862137).

255244743 is a wasteful number, since it uses less digits than its factorization.

255244743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3370 counting only the distinct ones).

The product of its digits is 134400, while the sum is 36.

The square root of 255244743 is about 15976.3807853969. The cubic root of 255244743 is about 634.3353808416.

The spelling of 255244743 in words is "two hundred fifty-five million, two hundred forty-four thousand, seven hundred forty-three".

Divisors: 1 3 9 13 27 39 117 233 351 699 2097 3029 3121 6291 9087 9363 27261 28089 40573 81783 84267 121719 365157 727193 1095471 2181579 6544737 9453509 19634211 28360527 85081581 255244743