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255432743 = 6716672287
BaseRepresentation
bin11110011100110…
…01100000100111
3122210122022211222
433032121200213
51010342321433
641202450555
76221066606
oct1716314047
9583568758
10255432743
11121204445
1271663a5b
1340bc5447
1425cd1a3d
1517658b98
hexf399827

255432743 has 8 divisors (see below), whose sum is σ = 259514112. Its totient is φ = 251359416.

The previous prime is 255432739. The next prime is 255432763. The reversal of 255432743 is 347234552.

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 255432743 - 22 = 255432739 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 (255432703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110546 + ... + 112832.

It is an arithmetic number, because the mean of its divisors is an integer number (32439264).

Almost surely, 2255432743 is an apocalyptic number.

255432743 is a deficient number, since it is larger than the sum of its proper divisors (4081369).

255432743 is a wasteful number, since it uses less digits than its factorization.

255432743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021.

The product of its digits is 100800, while the sum is 35.

The square root of 255432743 is about 15982.2633878935. The cubic root of 255432743 is about 634.4910821020.

The spelling of 255432743 in words is "two hundred fifty-five million, four hundred thirty-two thousand, seven hundred forty-three".

Divisors: 1 67 1667 2287 111689 153229 3812429 255432743