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255032249 = 1715001897
BaseRepresentation
bin11110011001101…
…11101110111001
3122202212222110212
433030313232321
51010242012444
641150120505
76214511153
oct1714675671
9582788425
10255032249
11120a6055a
12714b0135
1340ab5074
1425c29ad3
15175ca19e
hexf337bb9

255032249 has 4 divisors (see below), whose sum is σ = 270034164. Its totient is φ = 240030336.

The previous prime is 255032233. The next prime is 255032273. The reversal of 255032249 is 942230552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201640000 + 53392249 = 14200^2 + 7307^2 .

It is a cyclic number.

It is not a de Polignac number, because 255032249 - 24 = 255032233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255032549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7500932 + ... + 7500965.

It is an arithmetic number, because the mean of its divisors is an integer number (67508541).

Almost surely, 2255032249 is an apocalyptic number.

It is an amenable number.

255032249 is a deficient number, since it is larger than the sum of its proper divisors (15001915).

255032249 is a wasteful number, since it uses less digits than its factorization.

255032249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15001914.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 255032249 is about 15969.7291461064. The cubic root of 255032249 is about 634.1593016225.

The spelling of 255032249 in words is "two hundred fifty-five million, thirty-two thousand, two hundred forty-nine".

Divisors: 1 17 15001897 255032249