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255505125 = 353838209
BaseRepresentation
bin11110011101010…
…11001011100101
3122210210000010210
433032223023211
51010402131000
641204210033
76221520621
oct1716531345
9583700123
10255505125
11121253867
1271699919
1340c1c385
1425d10181
1517670350
hexf3ab2e5

255505125 has 32 divisors (see below), whose sum is σ = 430335360. Its totient is φ = 134611200.

The previous prime is 255505111. The next prime is 255505127. The reversal of 255505125 is 521505552.

It is not a de Polignac number, because 255505125 - 216 = 255439589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255505092 and 255505101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255505127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27021 + ... + 35229.

It is an arithmetic number, because the mean of its divisors is an integer number (13447980).

Almost surely, 2255505125 is an apocalyptic number.

255505125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255505125 is a deficient number, since it is larger than the sum of its proper divisors (174830235).

255505125 is an equidigital number, since it uses as much as digits as its factorization.

255505125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8310 (or 8300 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 255505125 is about 15984.5276752239. The cubic root of 255505125 is about 634.5510083741.

The spelling of 255505125 in words is "two hundred fifty-five million, five hundred five thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 83 125 249 375 415 1245 2075 6225 8209 10375 24627 31125 41045 123135 205225 615675 681347 1026125 2044041 3078375 3406735 10220205 17033675 51101025 85168375 255505125