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255354025 = 5217600833
BaseRepresentation
bin11110011100001…
…10010010101001
3122210111022212111
433032012102221
51010332312100
641201042321
76220321243
oct1716062251
9583438774
10255354025
11121160293
12716263a1
1340b98674
1425cb1093
15176406ba
hexf3864a9

255354025 has 12 divisors (see below), whose sum is σ = 335265372. Its totient is φ = 192266240.

The previous prime is 255354023. The next prime is 255354031. The reversal of 255354025 is 520453552.

It is a happy number.

255354025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 16064064 + 239289961 = 4008^2 + 15469^2 .

It is not a de Polignac number, because 255354025 - 21 = 255354023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255354023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299992 + ... + 300841.

It is an arithmetic number, because the mean of its divisors is an integer number (27938781).

Almost surely, 2255354025 is an apocalyptic number.

255354025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255354025 is a deficient number, since it is larger than the sum of its proper divisors (79911347).

255354025 is a wasteful number, since it uses less digits than its factorization.

255354025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600860 (or 600855 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 255354025 is about 15979.8005306700. The cubic root of 255354025 is about 634.4258972971.

The spelling of 255354025 in words is "two hundred fifty-five million, three hundred fifty-four thousand, twenty-five".

Divisors: 1 5 17 25 85 425 600833 3004165 10214161 15020825 51070805 255354025