Search a number
-
+
13053872 = 241397647
BaseRepresentation
bin110001110010…
…111110110000
3220120012112202
4301302332300
511320210442
61143442332
7215645636
oct61627660
926505482
1013053872
117406627
1244563a8
1329208b0
141a3b356
15122cc32
hexc72fb0

13053872 has 40 divisors (see below), whose sum is σ = 27560736. Its totient is φ = 5953536.

The previous prime is 13053871. The next prime is 13053877. The reversal of 13053872 is 27835031.

It is not an unprimeable number, because it can be changed into a prime (13053871) 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 7 ways as a sum of consecutive naturals, for example, 19853 + ... + 20499.

Almost surely, 213053872 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 13053872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13780368).

13053872 is an abundant number, since it is smaller than the sum of its proper divisors (14506864).

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

13053872 is a wasteful number, since it uses less digits than its factorization.

13053872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 13053872 is about 3613.0142540544. The cubic root of 13053872 is about 235.4578188464.

The spelling of 13053872 in words is "thirteen million, fifty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 52 97 104 194 208 388 647 776 1261 1294 1552 2522 2588 5044 5176 8411 10088 10352 16822 20176 33644 62759 67288 125518 134576 251036 502072 815867 1004144 1631734 3263468 6526936 13053872