Search a number
-
+
13125824 = 262337241
BaseRepresentation
bin110010000100…
…100011000000
3220200212020122
4302010203000
511330011244
61145155412
7216365465
oct62044300
926625218
1013125824
117455698
12448bb68
13294757a
141a5966c
1512441ee
hexc848c0

13125824 has 56 divisors (see below), whose sum is σ = 28029408. Its totient is φ = 6082560.

The previous prime is 13125817. The next prime is 13125839. The reversal of 13125824 is 42852131.

It is a junction number, because it is equal to n+sod(n) for n = 13125793 and 13125802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54344 + ... + 54584.

Almost surely, 213125824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13125824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14014704).

13125824 is an abundant number, since it is smaller than the sum of its proper divisors (14903584).

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

13125824 is a wasteful number, since it uses less digits than its factorization.

13125824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 303 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 13125824 is about 3622.9579075667. The cubic root of 13125824 is about 235.8896352679.

Adding to 13125824 its reverse (42852131), we get a palindrome (55977955).

The spelling of 13125824 in words is "thirteen million, one hundred twenty-five thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 16 23 32 37 46 64 74 92 148 184 241 296 368 482 592 736 851 964 1184 1472 1702 1928 2368 3404 3856 5543 6808 7712 8917 11086 13616 15424 17834 22172 27232 35668 44344 54464 71336 88688 142672 177376 205091 285344 354752 410182 570688 820364 1640728 3281456 6562912 13125824