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255124040 = 2356378101
BaseRepresentation
bin11110011010011…
…10001001001000
3122210001122101112
433031032021020
51010302432130
641152105452
76215342603
oct1715161110
9583048345
10255124040
11121013516
1271535288
1340b17a92
1425c5133a
15175e7495
hexf34e248

255124040 has 16 divisors (see below), whose sum is σ = 574029180. Its totient is φ = 102049600.

The previous prime is 255123971. The next prime is 255124097. The reversal of 255124040 is 40421552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 224940004 + 30184036 = 14998^2 + 5494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 255123997 and 255124015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3189011 + ... + 3189090.

Almost surely, 2255124040 is an apocalyptic number.

255124040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255124040 is an abundant number, since it is smaller than the sum of its proper divisors (318905140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255124040 is a wasteful number, since it uses less digits than its factorization.

255124040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378112 (or 6378108 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 255124040 is about 15972.6027935337. The cubic root of 255124040 is about 634.2353745302.

Adding to 255124040 its reverse (40421552), we get a palindrome (295545592).

The spelling of 255124040 in words is "two hundred fifty-five million, one hundred twenty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 6378101 12756202 25512404 31890505 51024808 63781010 127562020 255124040