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255125 = 5313157
BaseRepresentation
bin111110010010010101
3110221222002
4332102111
531131000
65245045
72111543
oct762225
9427862
10255125
11164752
12103785
138c180
1468d93
15508d5
hex3e495

255125 has 16 divisors (see below), whose sum is σ = 345072. Its totient is φ = 187200.

The previous prime is 255121. The next prime is 255127. The reversal of 255125 is 521552.

It can be written as a sum of positive squares in 8 ways, for example, as 158404 + 96721 = 398^2 + 311^2 .

It is not a de Polignac number, because 255125 - 22 = 255121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255097 and 255106.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255125.

It is not an unprimeable number, because it can be changed into a prime (255121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1547 + ... + 1703.

It is an arithmetic number, because the mean of its divisors is an integer number (21567).

2255125 is an apocalyptic number.

255125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255125 is a deficient number, since it is larger than the sum of its proper divisors (89947).

255125 is a wasteful number, since it uses less digits than its factorization.

255125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 175 counting only the distinct ones).

The product of its digits is 500, while the sum is 20.

The square root of 255125 is about 505.0990001970. The cubic root of 255125 is about 63.4236170045.

Adding to 255125 its reverse (521552), we get a palindrome (776677).

The spelling of 255125 in words is "two hundred fifty-five thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 157 325 785 1625 2041 3925 10205 19625 51025 255125