Base | Representation |
---|---|
bin | 11110110010000000000001 |
3 | 120011221202100 |
4 | 132302000001 |
5 | 4031202441 |
6 | 444541013 |
7 | 125405064 |
oct | 36620001 |
9 | 16157670 |
10 | 8069121 |
11 | 46114a5 |
12 | 2851769 |
13 | 1896a38 |
14 | 11008db |
15 | a95cb6 |
hex | 7b2001 |
8069121 has 12 divisors (see below), whose sum is σ = 11681748. Its totient is φ = 5367264.
The previous prime is 8069119. The next prime is 8069143. The reversal of 8069121 is 1219608.
8069121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 5588496 + 2480625 = 2364^2 + 1575^2 .
It is not a de Polignac number, because 8069121 - 21 = 8069119 is a prime.
It is a super-2 number, since 2×80691212 = 130221427425282, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8069921) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5191 + ... + 6563.
It is an arithmetic number, because the mean of its divisors is an integer number (973479).
It is a Proth number, since it is equal to 985 ⋅ 213 + 1 and 985 < 213.
Almost surely, 28069121 is an apocalyptic number.
It is an amenable number.
8069121 is a deficient number, since it is larger than the sum of its proper divisors (3612627).
8069121 is a wasteful number, since it uses less digits than its factorization.
8069121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2032 (or 2029 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 8069121 is about 2840.6198267280. The cubic root of 8069121 is about 200.5743573227.
The spelling of 8069121 in words is "eight million, sixty-nine thousand, one hundred twenty-one".
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