Base | Representation |
---|---|
bin | 110001110000… |
… | …110110000010 |
3 | 220112202112200 |
4 | 301300312002 |
5 | 11314420442 |
6 | 1143334030 |
7 | 215611266 |
oct | 61606602 |
9 | 26482480 |
10 | 13045122 |
11 | 73aaaa2 |
12 | 4451316 |
13 | 291990c |
14 | 1a380a6 |
15 | 122a34c |
hex | c70d82 |
13045122 has 12 divisors (see below), whose sum is σ = 28264470. Its totient is φ = 4348368.
The previous prime is 13045091. The next prime is 13045139. The reversal of 13045122 is 22154031.
It can be written as a sum of positive squares in only one way, i.e., 7667361 + 5377761 = 2769^2 + 2319^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 724729 = 13045122 / (1 + 3 + 0 + 4 + 5 + 1 + 2 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 13045095 and 13045104.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 362347 + ... + 362382.
Almost surely, 213045122 is an apocalyptic number.
13045122 is an abundant number, since it is smaller than the sum of its proper divisors (15219348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13045122 is a wasteful number, since it uses less digits than its factorization.
13045122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 724737 (or 724734 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 13045122 is about 3611.8031507822. The cubic root of 13045122 is about 235.4051980247.
Adding to 13045122 its reverse (22154031), we get a palindrome (35199153).
The spelling of 13045122 in words is "thirteen million, forty-five thousand, one hundred twenty-two".
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