Base | Representation |
---|---|
bin | 1111100001101000111001 |
3 | 21122202220201 |
4 | 33201220321 |
5 | 2020214240 |
6 | 223122201 |
7 | 46410505 |
oct | 17415071 |
9 | 7582821 |
10 | 4069945 |
11 | 232a8a0 |
12 | 1443361 |
13 | ac6669 |
14 | 77d305 |
15 | 555d9a |
hex | 3e1a39 |
4069945 has 8 divisors (see below), whose sum is σ = 5328000. Its totient is φ = 2959920.
The previous prime is 4069937. The next prime is 4069991. The reversal of 4069945 is 5499604.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 4069945 - 23 = 4069937 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36945 + ... + 37054.
It is an arithmetic number, because the mean of its divisors is an integer number (666000).
Almost surely, 24069945 is an apocalyptic number.
It is an amenable number.
4069945 is a deficient number, since it is larger than the sum of its proper divisors (1258055).
4069945 is a wasteful number, since it uses less digits than its factorization.
4069945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74015.
The product of its (nonzero) digits is 38880, while the sum is 37.
The square root of 4069945 is about 2017.4104688932. The cubic root of 4069945 is about 159.6600202854.
The spelling of 4069945 in words is "four million, sixty-nine thousand, nine hundred forty-five".
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