Base | Representation |
---|---|
bin | 1110000100001010011101 |
3 | 20221022201010 |
4 | 32010022131 |
5 | 1420441234 |
6 | 211005433 |
7 | 43224321 |
oct | 16041235 |
9 | 6838633 |
10 | 3687069 |
11 | 2099171 |
12 | 1299879 |
13 | 9c12c9 |
14 | 6bd981 |
15 | 4cc6e9 |
hex | 38429d |
3687069 has 4 divisors (see below), whose sum is σ = 4916096. Its totient is φ = 2458044.
The previous prime is 3687049. The next prime is 3687071. The reversal of 3687069 is 9607863.
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 not a de Polignac number, because 3687069 - 25 = 3687037 is a prime.
It is a super-3 number, since 3×36870693 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a D-number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3687029) 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, 614509 + ... + 614514.
It is an arithmetic number, because the mean of its divisors is an integer number (1229024).
Almost surely, 23687069 is an apocalyptic number.
It is an amenable number.
3687069 is a deficient number, since it is larger than the sum of its proper divisors (1229027).
3687069 is a wasteful number, since it uses less digits than its factorization.
3687069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1229026.
The product of its (nonzero) digits is 54432, while the sum is 39.
The square root of 3687069 is about 1920.1742108465. The cubic root of 3687069 is about 154.4876457691.
The spelling of 3687069 in words is "three million, six hundred eighty-seven thousand, sixty-nine".
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