Search a number
-
+
13343140 = 2256110937
BaseRepresentation
bin110010111001…
…100110100100
3221002220100101
4302321212210
511403440030
61153553444
7221262166
oct62714644
927086311
1013343140
117593998
124575884
1329c2465
141ab4936
1512887ca
hexcb99a4

13343140 has 24 divisors (see below), whose sum is σ = 28482552. Its totient is φ = 5249280.

The previous prime is 13343137. The next prime is 13343173. The reversal of 13343140 is 4134331.

13343140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1218816 + 12124324 = 1104^2 + 3482^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4249 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (1186773).

Almost surely, 213343140 is an apocalyptic number.

13343140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13343140 is an abundant number, since it is smaller than the sum of its proper divisors (15139412).

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

13343140 is a wasteful number, since it uses less digits than its factorization.

13343140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11007 (or 11005 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13343140 is about 3652.8263030152. The cubic root of 13343140 is about 237.1843414973.

Adding to 13343140 its reverse (4134331), we get a palindrome (17477471).

The spelling of 13343140 in words is "thirteen million, three hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 10937 21874 43748 54685 109370 218740 667157 1334314 2668628 3335785 6671570 13343140