Base | Representation |
---|---|
bin | 111100111000100001000 |
3 | 10202100122111 |
4 | 13213010020 |
5 | 1002320031 |
6 | 110432104 |
7 | 22646242 |
oct | 7470410 |
9 | 3670574 |
10 | 1995016 |
11 | 1142981 |
12 | 802634 |
13 | 54b0aa |
14 | 39d092 |
15 | 2961b1 |
hex | 1e7108 |
1995016 has 8 divisors (see below), whose sum is σ = 3740670. Its totient is φ = 997504.
The previous prime is 1995013. The next prime is 1995023. The reversal of 1995016 is 6105991.
It can be written as a sum of positive squares in only one way, i.e., 1572516 + 422500 = 1254^2 + 650^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1995011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124681 + ... + 124696.
21995016 is an apocalyptic number.
It is an amenable number.
1995016 is a deficient number, since it is larger than the sum of its proper divisors (1745654).
1995016 is a wasteful number, since it uses less digits than its factorization.
1995016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249383 (or 249379 counting only the distinct ones).
The product of its (nonzero) digits is 2430, while the sum is 31.
The square root of 1995016 is about 1412.4503531098. The cubic root of 1995016 is about 125.8873604916.
The spelling of 1995016 in words is "one million, nine hundred ninety-five thousand, sixteen".
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