Search a number
-
+
13030850 = 2527311201
BaseRepresentation
bin110001101101…
…010111000010
3220112000222002
4301231113002
511313441400
61143144002
7215521550
oct61552702
926460862
1013030850
1173a02a8
124445002
132913281
141a32bd0
151225ed5
hexc6d5c2

13030850 has 48 divisors (see below), whose sum is σ = 28617216. Its totient is φ = 4320000.

The previous prime is 13030793. The next prime is 13030877. The reversal of 13030850 is 5803031.

13030850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10250 + ... + 11450.

It is an arithmetic number, because the mean of its divisors is an integer number (596192).

Almost surely, 213030850 is an apocalyptic number.

13030850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13030850 is an abundant number, since it is smaller than the sum of its proper divisors (15586366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13030850 is a wasteful number, since it uses less digits than its factorization.

13030850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1246 counting only the distinct ones).

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

The square root of 13030850 is about 3609.8268656544. The cubic root of 13030850 is about 235.3193184405.

Adding to 13030850 its reverse (5803031), we get a palindrome (18833881).

The spelling of 13030850 in words is "thirteen million, thirty thousand, eight hundred fifty".

Divisors: 1 2 5 7 10 14 25 31 35 50 62 70 155 175 217 310 350 434 775 1085 1201 1550 2170 2402 5425 6005 8407 10850 12010 16814 30025 37231 42035 60050 74462 84070 186155 210175 260617 372310 420350 521234 930775 1303085 1861550 2606170 6515425 13030850