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255538801 = 781145013
BaseRepresentation
bin11110011101100…
…11011001110001
3122210211201100001
433032303121301
51010404220201
641205030001
76222021040
oct1716633161
9583751301
10255538801
111212770a1
12716b5301
1340c317bb
1425d1c557
151767a301
hexf3b3671

255538801 has 8 divisors (see below), whose sum is σ = 292410944. Its totient is φ = 218758320.

The previous prime is 255538783. The next prime is 255538813. The reversal of 255538801 is 108835552.

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 255538801 - 215 = 255506033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255538841) 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 7 ways as a sum of consecutive naturals, for example, 16830 + ... + 28183.

It is an arithmetic number, because the mean of its divisors is an integer number (36551368).

Almost surely, 2255538801 is an apocalyptic number.

It is an amenable number.

255538801 is a deficient number, since it is larger than the sum of its proper divisors (36872143).

255538801 is an equidigital number, since it uses as much as digits as its factorization.

255538801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45831.

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 255538801 is about 15985.5810341695. The cubic root of 255538801 is about 634.5788854418.

The spelling of 255538801 in words is "two hundred fifty-five million, five hundred thirty-eight thousand, eight hundred one".

Divisors: 1 7 811 5677 45013 315091 36505543 255538801