Base | Representation |
---|---|
bin | 1111001000001000011101 |
3 | 21110110121020 |
4 | 33020020131 |
5 | 2003343334 |
6 | 220554353 |
7 | 45464064 |
oct | 17101035 |
9 | 7413536 |
10 | 3965469 |
11 | 2269352 |
12 | 13b29b9 |
13 | a8ac41 |
14 | 7531db |
15 | 534e49 |
hex | 3c821d |
3965469 has 4 divisors (see below), whose sum is σ = 5287296. Its totient is φ = 2643644.
The previous prime is 3965461. The next prime is 3965483. The reversal of 3965469 is 9645693.
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, and also an emirpimes, since its reverse is a distinct semiprime: 9645693 = 3 ⋅3215231.
It is a cyclic number.
It is not a de Polignac number, because 3965469 - 23 = 3965461 is a prime.
It is a super-2 number, since 2×39654692 = 31449888779922, which contains 22 as substring.
It is a D-number.
It is a self number, because there is not a number n which added to its sum of digits gives 3965469.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3965461) 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, 660909 + ... + 660914.
It is an arithmetic number, because the mean of its divisors is an integer number (1321824).
Almost surely, 23965469 is an apocalyptic number.
It is an amenable number.
3965469 is a deficient number, since it is larger than the sum of its proper divisors (1321827).
3965469 is a wasteful number, since it uses less digits than its factorization.
3965469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1321826.
The product of its digits is 174960, while the sum is 42.
The square root of 3965469 is about 1991.3485380515. The cubic root of 3965469 is about 158.2819965300.
The spelling of 3965469 in words is "three million, nine hundred sixty-five thousand, four hundred sixty-nine".
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