Base | Representation |
---|---|
bin | 111100001001100101100 |
3 | 10201010200120 |
4 | 13201030230 |
5 | 1001032423 |
6 | 110124540 |
7 | 22516215 |
oct | 7411454 |
9 | 3633616 |
10 | 1970988 |
11 | 1126918 |
12 | 7b0750 |
13 | 540186 |
14 | 39440c |
15 | 28dee3 |
hex | 1e132c |
1970988 has 12 divisors (see below), whose sum is σ = 4599000. Its totient is φ = 656992.
The previous prime is 1970987. The next prime is 1970999. The reversal of 1970988 is 8890791.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×19709882 = 7769587392288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1970987) 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, 82113 + ... + 82136.
It is an arithmetic number, because the mean of its divisors is an integer number (383250).
21970988 is an apocalyptic number.
It is an amenable number.
1970988 is an abundant number, since it is smaller than the sum of its proper divisors (2628012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1970988 is a wasteful number, since it uses less digits than its factorization.
1970988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164256 (or 164254 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 42.
The square root of 1970988 is about 1403.9188010708. The cubic root of 1970988 is about 125.3799214410.
The spelling of 1970988 in words is "one million, nine hundred seventy thousand, nine hundred eighty-eight".
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