Base | Representation |
---|---|
bin | 111001011000000001000 |
3 | 10112111222022 |
4 | 13023000020 |
5 | 440130242 |
6 | 104144012 |
7 | 21660155 |
oct | 7130010 |
9 | 3474868 |
10 | 1880072 |
11 | 1074587 |
12 | 768008 |
13 | 50a98c |
14 | 36d22c |
15 | 2720d2 |
hex | 1cb008 |
1880072 has 8 divisors (see below), whose sum is σ = 3525150. Its totient is φ = 940032.
The previous prime is 1880027. The next prime is 1880093. The reversal of 1880072 is 2700881.
It can be written as a sum of positive squares in only one way, i.e., 1503076 + 376996 = 1226^2 + 614^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an Ulam number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117497 + ... + 117512.
21880072 is an apocalyptic number.
It is an amenable number.
1880072 is a deficient number, since it is larger than the sum of its proper divisors (1645078).
1880072 is a wasteful number, since it uses less digits than its factorization.
1880072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 235015 (or 235011 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 1880072 is about 1371.1571755273. The cubic root of 1880072 is about 123.4216914114.
The spelling of 1880072 in words is "one million, eight hundred eighty thousand, seventy-two".
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