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11231125 = 5389849
BaseRepresentation
bin101010110101…
…111110010101
3210010121012121
4222311332111
510333344000
61040415541
7164314543
oct52657625
923117177
1011231125
116381124
1239175b1
132433049
1416c4d93
15ebcb1a
hexab5f95

11231125 has 8 divisors (see below), whose sum is σ = 14016600. Its totient is φ = 8984800.

The previous prime is 11231119. The next prime is 11231141. The reversal of 11231125 is 52113211.

It can be written as a sum of positive squares in 4 ways, for example, as 380689 + 10850436 = 617^2 + 3294^2 .

It is not a de Polignac number, because 11231125 - 25 = 11231093 is a prime.

It is a super-2 number, since 2×112311252 = 252276337531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231099 and 11231108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44800 + ... + 45049.

It is an arithmetic number, because the mean of its divisors is an integer number (1752075).

Almost surely, 211231125 is an apocalyptic number.

It is an amenable number.

11231125 is a deficient number, since it is larger than the sum of its proper divisors (2785475).

11231125 is an frugal number, since it uses more digits than its factorization.

11231125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89864 (or 89854 counting only the distinct ones).

The product of its digits is 60, while the sum is 16.

The square root of 11231125 is about 3351.2870661882. The cubic root of 11231125 is about 223.9448538249.

Adding to 11231125 its reverse (52113211), we get a palindrome (63344336).

The spelling of 11231125 in words is "eleven million, two hundred thirty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 89849 449245 2246225 11231125