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255115135 = 5114638457
BaseRepresentation
bin11110011010010…
…11111101111111
3122210001012011201
433031023331333
51010302141020
641152000331
76215304622
oct1715137577
9583035151
10255115135
11121007860
12715300a7
1340b13a02
1425c4bdb9
15175e4a0a
hexf34bf7f

255115135 has 8 divisors (see below), whose sum is σ = 333968976. Its totient is φ = 185538240.

The previous prime is 255115121. The next prime is 255115139. The reversal of 255115135 is 531511552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255115135 - 217 = 254984063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255115139) 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, 2319174 + ... + 2319283.

It is an arithmetic number, because the mean of its divisors is an integer number (41746122).

Almost surely, 2255115135 is an apocalyptic number.

255115135 is a deficient number, since it is larger than the sum of its proper divisors (78853841).

255115135 is a wasteful number, since it uses less digits than its factorization.

255115135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638473.

The product of its digits is 3750, while the sum is 28.

The square root of 255115135 is about 15972.3240325258. The cubic root of 255115135 is about 634.2279952024.

Adding to 255115135 its reverse (531511552), we get a palindrome (786626687).

The spelling of 255115135 in words is "two hundred fifty-five million, one hundred fifteen thousand, one hundred thirty-five".

Divisors: 1 5 11 55 4638457 23192285 51023027 255115135