Base | Representation |
---|---|
bin | 1110111101000111011001 |
3 | 21101011200222 |
4 | 32331013121 |
5 | 2000422340 |
6 | 220005425 |
7 | 45215402 |
oct | 16750731 |
9 | 7334628 |
10 | 3920345 |
11 | 2238460 |
12 | 1390875 |
13 | a73540 |
14 | 7409a9 |
15 | 5268b5 |
hex | 3bd1d9 |
3920345 has 16 divisors (see below), whose sum is σ = 5527872. Its totient is φ = 2631360.
The previous prime is 3920311. The next prime is 3920359. The reversal of 3920345 is 5430293.
It is not a de Polignac number, because 3920345 - 28 = 3920089 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2027 + ... + 3456.
It is an arithmetic number, because the mean of its divisors is an integer number (345492).
Almost surely, 23920345 is an apocalyptic number.
It is an amenable number.
3920345 is a deficient number, since it is larger than the sum of its proper divisors (1607527).
3920345 is a wasteful number, since it uses less digits than its factorization.
3920345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5512.
The product of its (nonzero) digits is 3240, while the sum is 26.
The square root of 3920345 is about 1979.9861110624. The cubic root of 3920345 is about 157.6793287873.
The spelling of 3920345 in words is "three million, nine hundred twenty thousand, three hundred forty-five".
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