Base | Representation |
---|---|
bin | 110001110101… |
… | …101010111010 |
3 | 220120202122211 |
4 | 301311222322 |
5 | 11321034030 |
6 | 1144005334 |
7 | 216023026 |
oct | 61655272 |
9 | 26522584 |
10 | 13064890 |
11 | 7413933 |
12 | 446084a |
13 | 2925907 |
14 | 1a41386 |
15 | 123112a |
hex | c75aba |
13064890 has 8 divisors (see below), whose sum is σ = 23516820. Its totient is φ = 5225952.
The previous prime is 13064879. The next prime is 13064899. The reversal of 13064890 is 9846031.
It can be written as a sum of positive squares in 2 ways, for example, as 12271009 + 793881 = 3503^2 + 891^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (13064899) 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, 653235 + ... + 653254.
Almost surely, 213064890 is an apocalyptic number.
13064890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13064890 is a deficient number, since it is larger than the sum of its proper divisors (10451930).
13064890 is a wasteful number, since it uses less digits than its factorization.
13064890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1306496.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 13064890 is about 3614.5386980914. The cubic root of 13064890 is about 235.5240455491.
The spelling of 13064890 in words is "thirteen million, sixty-four thousand, eight hundred ninety".
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