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255045545 = 5263319373
BaseRepresentation
bin11110011001110…
…10111110101001
3122202220122201022
433030322332221
51010242424140
641150302225
76214565006
oct1714727651
9582818638
10255045545
11120a6a547
12714b7975
1340abb131
1425c308ad
15175ce0b5
hexf33afa9

255045545 has 8 divisors (see below), whose sum is σ = 306186696. Its totient is φ = 203948416.

The previous prime is 255045541. The next prime is 255045601. The reversal of 255045545 is 545540552.

It can be written as a sum of positive squares in 4 ways, for example, as 196249 + 254849296 = 443^2 + 15964^2 .

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 255045545 - 22 = 255045541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255045541) 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, 3479 + ... + 22851.

It is an arithmetic number, because the mean of its divisors is an integer number (38273337).

Almost surely, 2255045545 is an apocalyptic number.

It is an amenable number.

255045545 is a deficient number, since it is larger than the sum of its proper divisors (51141151).

255045545 is a wasteful number, since it uses less digits than its factorization.

255045545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22011.

The product of its (nonzero) digits is 100000, while the sum is 35.

The square root of 255045545 is about 15970.1454282671. The cubic root of 255045545 is about 634.1703219746.

The spelling of 255045545 in words is "two hundred fifty-five million, forty-five thousand, five hundred forty-five".

Divisors: 1 5 2633 13165 19373 96865 51009109 255045545