Base | Representation |
---|---|
bin | 1111111001100111101001 |
3 | 21211202122122 |
4 | 33321213221 |
5 | 2031340134 |
6 | 225201025 |
7 | 50300045 |
oct | 17714751 |
9 | 7752578 |
10 | 4168169 |
11 | 2397675 |
12 | 1490175 |
13 | b2c295 |
14 | 7a7025 |
15 | 57502e |
hex | 3f99e9 |
4168169 has 4 divisors (see below), whose sum is σ = 4209540. Its totient is φ = 4126800.
The previous prime is 4168159. The next prime is 4168181. The reversal of 4168169 is 9618614.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9618614 = 2 ⋅4809307.
It can be written as a sum of positive squares in 2 ways, for example, as 1857769 + 2310400 = 1363^2 + 1520^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-4168169 is a prime.
It is a super-2 number, since 2×41681692 = 34747265625122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4168159) 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, 20534 + ... + 20735.
It is an arithmetic number, because the mean of its divisors is an integer number (1052385).
Almost surely, 24168169 is an apocalyptic number.
It is an amenable number.
4168169 is a deficient number, since it is larger than the sum of its proper divisors (41371).
4168169 is a wasteful number, since it uses less digits than its factorization.
4168169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41370.
The product of its digits is 10368, while the sum is 35.
The square root of 4168169 is about 2041.6094141632. The cubic root of 4168169 is about 160.9342349355.
The spelling of 4168169 in words is "four million, one hundred sixty-eight thousand, one hundred sixty-nine".
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