Search a number
-
+
11446420 = 225572321
BaseRepresentation
bin101011101010…
…100010010100
3210112112112111
4223222202110
510412241140
61045200404
7166202326
oct53524224
923475474
1011446420
116508957
123a00104
1324aa03b
14173d616
1510117ea
hexaea894

11446420 has 12 divisors (see below), whose sum is σ = 24037524. Its totient is φ = 4578560.

The previous prime is 11446411. The next prime is 11446451. The reversal of 11446420 is 2464411.

It can be written as a sum of positive squares in 2 ways, for example, as 6728836 + 4717584 = 2594^2 + 2172^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11446391 and 11446400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286141 + ... + 286180.

It is an arithmetic number, because the mean of its divisors is an integer number (2003127).

Almost surely, 211446420 is an apocalyptic number.

11446420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11446420 is an abundant number, since it is smaller than the sum of its proper divisors (12591104).

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

11446420 is a wasteful number, since it uses less digits than its factorization.

11446420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572330 (or 572328 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 11446420 is about 3383.2558283405. The cubic root of 11446420 is about 225.3667762726.

Subtracting from 11446420 its reverse (2464411), we obtain a square (8982009 = 29972).

The spelling of 11446420 in words is "eleven million, four hundred forty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 572321 1144642 2289284 2861605 5723210 11446420