Base | Representation |
---|---|
bin | 110010001101… |
… | …101111001111 |
3 | 220202202212222 |
4 | 302031233033 |
5 | 11332212341 |
6 | 1150045555 |
7 | 216613316 |
oct | 62155717 |
9 | 26682788 |
10 | 13163471 |
11 | 7480a02 |
12 | 44a98bb |
13 | 295b749 |
14 | 1a6927d |
15 | 125044b |
hex | c8dbcf |
13163471 has 4 divisors (see below), whose sum is σ = 13348944. Its totient is φ = 12978000.
The previous prime is 13163411. The next prime is 13163489. The reversal of 13163471 is 17436131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13163471 - 214 = 13147087 is a prime.
It is a super-3 number, since 3×131634713 (a number of 22 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13163471.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13163411) 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, 92630 + ... + 92771.
It is an arithmetic number, because the mean of its divisors is an integer number (3337236).
Almost surely, 213163471 is an apocalyptic number.
13163471 is a deficient number, since it is larger than the sum of its proper divisors (185473).
13163471 is an equidigital number, since it uses as much as digits as its factorization.
13163471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185472.
The product of its digits is 1512, while the sum is 26.
The square root of 13163471 is about 3628.1498039634. The cubic root of 13163471 is about 236.1149432898.
The spelling of 13163471 in words is "thirteen million, one hundred sixty-three thousand, four hundred seventy-one".
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