Base | Representation |
---|---|
bin | 10000000011100101001001 |
3 | 21220211121202 |
4 | 100003211021 |
5 | 2034141334 |
6 | 230113545 |
7 | 50530022 |
oct | 20034511 |
9 | 7824552 |
10 | 4208969 |
11 | 2415296 |
12 | 14ab8b5 |
13 | b44a1b |
14 | 7b7c49 |
15 | 58217e |
hex | 403949 |
4208969 has 4 divisors (see below), whose sum is σ = 4306896. Its totient is φ = 4111044.
The previous prime is 4208959. The next prime is 4208983. The reversal of 4208969 is 9698024.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 4208969 - 220 = 3160393 is a prime.
It is a super-2 number, since 2×42089692 = 35430840085922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4208959) 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, 48899 + ... + 48984.
It is an arithmetic number, because the mean of its divisors is an integer number (1076724).
Almost surely, 24208969 is an apocalyptic number.
It is an amenable number.
4208969 is a deficient number, since it is larger than the sum of its proper divisors (97927).
4208969 is an equidigital number, since it uses as much as digits as its factorization.
4208969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97926.
The product of its (nonzero) digits is 31104, while the sum is 38.
The square root of 4208969 is about 2051.5771981576. The cubic root of 4208969 is about 161.4576308962.
The spelling of 4208969 in words is "four million, two hundred eight thousand, nine hundred sixty-nine".
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