Search a number
-
+
13380530 = 2517312539
BaseRepresentation
bin110011000010…
…101110110010
3221011210122012
4303002232302
511411134110
61154442522
7221506202
oct63025662
927153565
1013380530
117609a99
124593442
132a06497
141ac4402
151294905
hexcc2bb2

13380530 has 32 divisors (see below), whose sum is σ = 26334720. Its totient is φ = 4872960.

The previous prime is 13380529. The next prime is 13380583. The reversal of 13380530 is 3508331.

13380530 = 3542 + 3552 + ... + 4382.

13380530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13380496 and 13380505.

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, 4001 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (822960).

Almost surely, 213380530 is an apocalyptic number.

13380530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13380530 is a deficient number, since it is larger than the sum of its proper divisors (12954190).

13380530 is a wasteful number, since it uses less digits than its factorization.

13380530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13380530 is about 3657.9406774851. The cubic root of 13380530 is about 237.4056799985.

Adding to 13380530 its reverse (3508331), we get a palindrome (16888861).

The spelling of 13380530 in words is "thirteen million, three hundred eighty thousand, five hundred thirty".

Divisors: 1 2 5 10 17 31 34 62 85 155 170 310 527 1054 2539 2635 5078 5270 12695 25390 43163 78709 86326 157418 215815 393545 431630 787090 1338053 2676106 6690265 13380530