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11280125 = 53314171
BaseRepresentation
bin101011000001…
…111011111101
3210020002102102
4223001323331
510341431000
61041434445
7164610443
oct53017375
923202372
1011280125
116404a1a
12393ba25
13244c43c
1416d8b93
15ecc3d5
hexac1efd

11280125 has 32 divisors (see below), whose sum is σ = 15095808. Its totient is φ = 8400000.

The previous prime is 11280077. The next prime is 11280133. The reversal of 11280125 is 52108211.

It is a happy number.

It is not a de Polignac number, because 11280125 - 210 = 11279101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11280097 and 11280106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158840 + ... + 158910.

It is an arithmetic number, because the mean of its divisors is an integer number (471744).

Almost surely, 211280125 is an apocalyptic number.

It is an amenable number.

11280125 is a deficient number, since it is larger than the sum of its proper divisors (3815683).

11280125 is an equidigital number, since it uses as much as digits as its factorization.

11280125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 11280125 is about 3358.5897338020. The cubic root of 11280125 is about 224.2700625054.

Adding to 11280125 its reverse (52108211), we get a palindrome (63388336).

The spelling of 11280125 in words is "eleven million, two hundred eighty thousand, one hundred twenty-five".

Divisors: 1 5 25 31 41 71 125 155 205 355 775 1025 1271 1775 2201 2911 3875 5125 6355 8875 11005 14555 31775 55025 72775 90241 158875 275125 363875 451205 2256025 11280125