Search a number
-
+
13508030 = 2517181439
BaseRepresentation
bin110011100001…
…110110111110
3221102021112102
4303201312332
511424224110
61201305102
7222550004
oct63416676
927367472
1013508030
117696868
124635192
132a4c523
141b18a74
1512bc5a5
hexce1dbe

13508030 has 32 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 5045760.

The previous prime is 13508029. The next prime is 13508051. The reversal of 13508030 is 3080531.

It is a junction number, because it is equal to n+sod(n) for n = 13507993 and 13508011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30551 + ... + 30989.

It is an arithmetic number, because the mean of its divisors is an integer number (810810).

Almost surely, 213508030 is an apocalyptic number.

13508030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13508030 is a deficient number, since it is larger than the sum of its proper divisors (12437890).

13508030 is a wasteful number, since it uses less digits than its factorization.

13508030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13508030 is about 3675.3271963187. The cubic root of 13508030 is about 238.1573589210.

Adding to 13508030 its reverse (3080531), we get a palindrome (16588561).

The spelling of 13508030 in words is "thirteen million, five hundred eight thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 181 362 439 878 905 1810 2195 3077 4390 6154 7463 14926 15385 30770 37315 74630 79459 158918 397295 794590 1350803 2701606 6754015 13508030