Search a number
-
+
13107848 = 2313126037
BaseRepresentation
bin110010000000…
…001010001000
3220122221120212
4302000022020
511323422343
61144540252
7216262205
oct62001210
926587525
1013107848
117443136
124481688
13293c330
141a52cac
15123dc18
hexc80288

13107848 has 16 divisors (see below), whose sum is σ = 26467980. Its totient is φ = 6049728.

The previous prime is 13107847. The next prime is 13107893. The reversal of 13107848 is 84870131.

It can be written as a sum of positive squares in 2 ways, for example, as 11142244 + 1965604 = 3338^2 + 1402^2 .

It is a super-2 number, since 2×131078482 = 343631358382208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13107847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62915 + ... + 63122.

Almost surely, 213107848 is an apocalyptic number.

It is an amenable number.

13107848 is an abundant number, since it is smaller than the sum of its proper divisors (13360132).

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

13107848 is a wasteful number, since it uses less digits than its factorization.

13107848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126056 (or 126052 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 13107848 is about 3620.4762117710. The cubic root of 13107848 is about 235.7819013509.

Adding to 13107848 its reverse (84870131), we get a palindrome (97977979).

The spelling of 13107848 in words is "thirteen million, one hundred seven thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 126037 252074 504148 1008296 1638481 3276962 6553924 13107848