Base | Representation |
---|---|
bin | 1111111001010000001001 |
3 | 21211200120221 |
4 | 33321100021 |
5 | 2031313130 |
6 | 225150041 |
7 | 50262466 |
oct | 17712011 |
9 | 7750527 |
10 | 4166665 |
11 | 2396528 |
12 | 148b321 |
13 | b2b6a9 |
14 | 7a666d |
15 | 57487a |
hex | 3f9409 |
4166665 has 8 divisors (see below), whose sum is σ = 5027328. Its totient is φ = 3315120.
The previous prime is 4166651. The next prime is 4166671. The reversal of 4166665 is 5666614.
4166665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 4166665 - 29 = 4166153 is a prime.
It is a super-4 number, since 4×41666654 (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
4166665 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 4166665.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227 + ... + 3136.
It is an arithmetic number, because the mean of its divisors is an integer number (628416).
Almost surely, 24166665 is an apocalyptic number.
It is an amenable number.
4166665 is a deficient number, since it is larger than the sum of its proper divisors (860663).
4166665 is a wasteful number, since it uses less digits than its factorization.
4166665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4559.
The product of its digits is 25920, while the sum is 34.
The square root of 4166665 is about 2041.2410440710. The cubic root of 4166665 is about 160.9148759789.
The spelling of 4166665 in words is "four million, one hundred sixty-six thousand, six hundred sixty-five".
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