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240125 = 5317113
BaseRepresentation
bin111010100111111101
3110012101112
4322213331
530141000
65051405
72020034
oct724775
9405345
10240125
11154456
12b6b65
13853b2
146371b
154b235
hex3a9fd

240125 has 16 divisors (see below), whose sum is σ = 320112. Its totient is φ = 179200.

The previous prime is 240113. The next prime is 240131. The reversal of 240125 is 521042.

Adding to 240125 its reverse (521042), we get a palindrome (761167).

It can be divided in two parts, 2401 and 25, that multiplied together give a square (60025 = 2452).

240125 = 3462 + 3472.

It can be written as a sum of positive squares in 8 ways, for example, as 119716 + 120409 = 346^2 + 347^2 .

It is not a de Polignac number, because 240125 - 24 = 240109 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2069 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (20007).

2240125 is an apocalyptic number.

240125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

240125 is the 347-th centered square number.

It is an amenable number.

240125 is a deficient number, since it is larger than the sum of its proper divisors (79987).

240125 is a wasteful number, since it uses less digits than its factorization.

240125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 240125 is about 490.0255095401. The cubic root of 240125 is about 62.1554372483.

The spelling of 240125 in words is "two hundred forty thousand, one hundred twenty-five".

Divisors: 1 5 17 25 85 113 125 425 565 1921 2125 2825 9605 14125 48025 240125