Base | Representation |
---|---|
bin | 111100101111000100000 |
3 | 10202010000020 |
4 | 13211320200 |
5 | 1002141201 |
6 | 110353440 |
7 | 22626156 |
oct | 7457040 |
9 | 3663006 |
10 | 1990176 |
11 | 113a281 |
12 | 7bb880 |
13 | 548b26 |
14 | 39b3d6 |
15 | 294a36 |
hex | 1e5e20 |
1990176 has 24 divisors (see below), whose sum is σ = 5224464. Its totient is φ = 663360.
The previous prime is 1990171. The next prime is 1990187. The reversal of 1990176 is 6710991.
It is a tau number, because it is divible by the number of its divisors (24).
It is not an unprimeable number, because it can be changed into a prime (1990171) 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, 10270 + ... + 10461.
It is an arithmetic number, because the mean of its divisors is an integer number (217686).
21990176 is an apocalyptic number.
1990176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1990176 is an abundant number, since it is smaller than the sum of its proper divisors (3234288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1990176 is a wasteful number, since it uses less digits than its factorization.
1990176 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20744 (or 20736 counting only the distinct ones).
The product of its (nonzero) digits is 3402, while the sum is 33.
The square root of 1990176 is about 1410.7359781334. The cubic root of 1990176 is about 125.7854752242.
The spelling of 1990176 in words is "one million, nine hundred ninety thousand, one hundred seventy-six".
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