Search a number
-
+
13150724 = 2217193393
BaseRepresentation
bin110010001010…
…101000000100
3220202010101212
4302022220010
511331310344
61145510552
7216531206
oct62125004
926663355
1013150724
117472374
1244a2458
1329559c2
141a64776
15124b79e
hexc8aa04

13150724 has 12 divisors (see below), whose sum is σ = 24367644. Its totient is φ = 6188544.

The previous prime is 13150699. The next prime is 13150747. The reversal of 13150724 is 42705131.

It can be written as a sum of positive squares in 2 ways, for example, as 7236100 + 5914624 = 2690^2 + 2432^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13150724.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96629 + ... + 96764.

It is an arithmetic number, because the mean of its divisors is an integer number (2030637).

Almost surely, 213150724 is an apocalyptic number.

It is an amenable number.

13150724 is a deficient number, since it is larger than the sum of its proper divisors (11216920).

13150724 is a wasteful number, since it uses less digits than its factorization.

13150724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193414 (or 193412 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 13150724 is about 3626.3926979851. The cubic root of 13150724 is about 236.0387037930.

Adding to 13150724 its reverse (42705131), we get a palindrome (55855855).

The spelling of 13150724 in words is "thirteen million, one hundred fifty thousand, seven hundred twenty-four".

Divisors: 1 2 4 17 34 68 193393 386786 773572 3287681 6575362 13150724