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255542245 = 5722931883
BaseRepresentation
bin11110011101101…
…00001111100101
3122210211220001121
433032310033211
51010404322440
641205053541
76222034060
oct1716641745
9583756047
10255542245
11121279742
12716b72b1
1340c3323a
1425d1d8d7
151767b34a
hexf3b43e5

255542245 has 16 divisors (see below), whose sum is σ = 351999360. Its totient is φ = 174458304.

The previous prime is 255542227. The next prime is 255542257. The reversal of 255542245 is 542245552.

It is a cyclic number.

It is not a de Polignac number, because 255542245 - 27 = 255542117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255542245.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7927 + ... + 23956.

It is an arithmetic number, because the mean of its divisors is an integer number (21999960).

Almost surely, 2255542245 is an apocalyptic number.

It is an amenable number.

255542245 is a deficient number, since it is larger than the sum of its proper divisors (96457115).

255542245 is a wasteful number, since it uses less digits than its factorization.

255542245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32124.

The product of its digits is 80000, while the sum is 34.

The square root of 255542245 is about 15985.6887558841. The cubic root of 255542245 is about 634.5817362546.

Adding to 255542245 its reverse (542245552), we get a palindrome (797787797).

The spelling of 255542245 in words is "two hundred fifty-five million, five hundred forty-two thousand, two hundred forty-five".

Divisors: 1 5 7 35 229 1145 1603 8015 31883 159415 223181 1115905 7301207 36506035 51108449 255542245