Base | Representation |
---|---|
bin | 110010101010… |
… | …111101011001 |
3 | 220222212001221 |
4 | 302222331121 |
5 | 11400030121 |
6 | 1152412041 |
7 | 220622263 |
oct | 62527531 |
9 | 26885057 |
10 | 13283161 |
11 | 7552921 |
12 | 4547021 |
13 | 29a1078 |
14 | 1a9ab33 |
15 | 1275b41 |
hex | caaf59 |
13283161 has 4 divisors (see below), whose sum is σ = 13432500. Its totient is φ = 13133824.
The previous prime is 13283143. The next prime is 13283191. The reversal of 13283161 is 16138231.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8526400 + 4756761 = 2920^2 + 2181^2 .
It is a cyclic number.
It is not a de Polignac number, because 13283161 - 29 = 13282649 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13283191) 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, 74536 + ... + 74713.
It is an arithmetic number, because the mean of its divisors is an integer number (3358125).
Almost surely, 213283161 is an apocalyptic number.
It is an amenable number.
13283161 is a deficient number, since it is larger than the sum of its proper divisors (149339).
13283161 is an equidigital number, since it uses as much as digits as its factorization.
13283161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149338.
The product of its digits is 864, while the sum is 25.
The square root of 13283161 is about 3644.6071118846. The cubic root of 13283161 is about 236.8284170551.
It can be divided in two parts, 1328 and 3161, that added together give a square (4489 = 672).
The spelling of 13283161 in words is "thirteen million, two hundred eighty-three thousand, one hundred sixty-one".
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