[go: up one dir, main page]

Search a number
-
+
13380515 = 522711789
BaseRepresentation
bin110011000010…
…101110100011
3221011210121122
4303002232203
511411134030
61154442455
7221506151
oct63025643
927153548
1013380515
117609a85
12459342b
132a06485
141ac43d1
1512948e5
hexcc2ba3

13380515 has 8 divisors (see below), whose sum is σ = 16128720. Its totient is φ = 10656352.

The previous prime is 13380511. The next prime is 13380517. The reversal of 13380515 is 51508331.

13380515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13380515 - 22 = 13380511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13380511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760 + ... + 7029.

It is an arithmetic number, because the mean of its divisors is an integer number (2016090).

Almost surely, 213380515 is an apocalyptic number.

13380515 is a deficient number, since it is larger than the sum of its proper divisors (2748205).

13380515 is a wasteful number, since it uses less digits than its factorization.

13380515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12021.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 13380515 is about 3657.9386271505. The cubic root of 13380515 is about 237.4055912854.

Adding to 13380515 its reverse (51508331), we get a palindrome (64888846).

The spelling of 13380515 in words is "thirteen million, three hundred eighty thousand, five hundred fifteen".

Divisors: 1 5 227 1135 11789 58945 2676103 13380515