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11250481 = 111723539
BaseRepresentation
bin101010111010…
…101100110001
3210011120202111
4222322230301
510340003411
61041045321
7164425144
oct52725461
923146674
1011250481
116394720
123926841
13243bab8
1416cc05b
15ec3721
hexabab31

11250481 has 12 divisors (see below), whose sum is σ = 13041360. Its totient is φ = 9623360.

The previous prime is 11250467. The next prime is 11250487. The reversal of 11250481 is 18405211.

It is a de Polignac number, because none of the positive numbers 2k-11250481 is a prime.

It is a super-2 number, since 2×112504812 = 253146645462722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11250487) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1410 + ... + 4948.

It is an arithmetic number, because the mean of its divisors is an integer number (1086780).

Almost surely, 211250481 is an apocalyptic number.

11250481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11250481 is a deficient number, since it is larger than the sum of its proper divisors (1790879).

11250481 is a wasteful number, since it uses less digits than its factorization.

11250481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584 (or 3567 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 11250481 is about 3354.1736687298. The cubic root of 11250481 is about 224.0734306982.

Adding to 11250481 its reverse (18405211), we get a palindrome (29655692).

The spelling of 11250481 in words is "eleven million, two hundred fifty thousand, four hundred eighty-one".

Divisors: 1 11 17 187 289 3179 3539 38929 60163 661793 1022771 11250481