Base | Representation |
---|---|
bin | 1011011011101101011001 |
3 | 12122021020000 |
4 | 23123231121 |
5 | 1231401311 |
6 | 144123213 |
7 | 34321563 |
oct | 13335531 |
9 | 5567200 |
10 | 2997081 |
11 | 176782a |
12 | 1006509 |
13 | 80c229 |
14 | 580333 |
15 | 3e3056 |
hex | 2dbb59 |
2997081 has 20 divisors (see below), whose sum is σ = 4524432. Its totient is φ = 1977048.
The previous prime is 2997077. The next prime is 2997089. The reversal of 2997081 is 1807992.
It is a happy number.
It is not a de Polignac number, because 2997081 - 22 = 2997077 is a prime.
It is a super-2 number, since 2×29970812 = 17964989041122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2997089) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13090 + ... + 13316.
22997081 is an apocalyptic number.
It is an amenable number.
2997081 is a deficient number, since it is larger than the sum of its proper divisors (1527351).
2997081 is a wasteful number, since it uses less digits than its factorization.
2997081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402 (or 393 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 36.
The square root of 2997081 is about 1731.2079597784. The cubic root of 2997081 is about 144.1781648901.
The spelling of 2997081 in words is "two million, nine hundred ninety-seven thousand, eighty-one".
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