Base | Representation |
---|---|
bin | 1110100001000000101001 |
3 | 21011022210021 |
4 | 32201000221 |
5 | 1433231400 |
6 | 213320441 |
7 | 44225644 |
oct | 16410051 |
9 | 7138707 |
10 | 3805225 |
11 | 2169a16 |
12 | 1336121 |
13 | a33018 |
14 | 710a5b |
15 | 50271a |
hex | 3a1029 |
3805225 has 12 divisors (see below), whose sum is σ = 4967440. Its totient is φ = 2883600.
The previous prime is 3805223. The next prime is 3805231. The reversal of 3805225 is 5225083.
It is not a de Polignac number, because 3805225 - 21 = 3805223 is a prime.
It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a d-powerful number, because it can be written as 39 + 86 + 0 + 58 + 217 + 220 + 59 .
It is a self number, because there is not a number n which added to its sum of digits gives 3805225.
It is not an unprimeable number, because it can be changed into a prime (3805223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3531 + ... + 4480.
Almost surely, 23805225 is an apocalyptic number.
It is an amenable number.
3805225 is a deficient number, since it is larger than the sum of its proper divisors (1162215).
3805225 is a wasteful number, since it uses less digits than its factorization.
3805225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8040 (or 8035 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 3805225 is about 1950.6985928123. The cubic root of 3805225 is about 156.1205648074.
The spelling of 3805225 in words is "three million, eight hundred five thousand, two hundred twenty-five".
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