Search a number
-
+
13040024 = 232956207
BaseRepresentation
bin110001101111…
…100110011000
3220112111112212
4301233212120
511314240044
61143254252
7215560364
oct61574630
926474485
1013040024
1173a7188
12444a388
1329174ba
141a362a4
151228a9e
hexc6f998

13040024 has 16 divisors (see below), whose sum is σ = 25293600. Its totient is φ = 6295072.

The previous prime is 13039993. The next prime is 13040029. The reversal of 13040024 is 42004031.

It is a junction number, because it is equal to n+sod(n) for n = 13039990 and 13040008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040029) 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 3 ways as a sum of consecutive naturals, for example, 27872 + ... + 28335.

It is an arithmetic number, because the mean of its divisors is an integer number (1580850).

Almost surely, 213040024 is an apocalyptic number.

It is an amenable number.

13040024 is a deficient number, since it is larger than the sum of its proper divisors (12253576).

13040024 is a wasteful number, since it uses less digits than its factorization.

13040024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56242 (or 56238 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 13040024 is about 3611.0973401447. The cubic root of 13040024 is about 235.3745287813.

Adding to 13040024 its reverse (42004031), we get a palindrome (55044055).

The spelling of 13040024 in words is "thirteen million, forty thousand, twenty-four".

Divisors: 1 2 4 8 29 58 116 232 56207 112414 224828 449656 1630003 3260006 6520012 13040024