Search a number
-
+
13380730 = 25111031181
BaseRepresentation
bin110011000010…
…110001111010
3221011210220121
4303002301322
511411140410
61154443454
7221506606
oct63026172
927153817
1013380730
11760a160
12459358a
132a065bc
141ac4506
1512949da
hexcc2c7a

13380730 has 32 divisors (see below), whose sum is σ = 26552448. Its totient is φ = 4814400.

The previous prime is 13380727. The next prime is 13380743. The reversal of 13380730 is 3708331.

13380730 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 = 13380695 and 13380704.

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, 10740 + ... + 11920.

It is an arithmetic number, because the mean of its divisors is an integer number (829764).

Almost surely, 213380730 is an apocalyptic number.

13380730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13380730 is a deficient number, since it is larger than the sum of its proper divisors (13171718).

13380730 is a wasteful number, since it uses less digits than its factorization.

13380730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 13380730 is about 3657.9680151691. The cubic root of 13380730 is about 237.4068628341.

The spelling of 13380730 in words is "thirteen million, three hundred eighty thousand, seven hundred thirty".

Divisors: 1 2 5 10 11 22 55 103 110 206 515 1030 1133 1181 2266 2362 5665 5905 11330 11810 12991 25982 64955 121643 129910 243286 608215 1216430 1338073 2676146 6690365 13380730