Base | Representation |
---|---|
bin | 1011010111100101110011 |
3 | 12121102002012 |
4 | 23113211303 |
5 | 1230331321 |
6 | 143513135 |
7 | 34221443 |
oct | 13274563 |
9 | 5542065 |
10 | 2980211 |
11 | 1756093 |
12 | bb87ab |
13 | 804650 |
14 | 578123 |
15 | 3dd05b |
hex | 2d7973 |
2980211 has 4 divisors (see below), whose sum is σ = 3209472. Its totient is φ = 2750952.
The previous prime is 2980193. The next prime is 2980217. The reversal of 2980211 is 1120892.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2980211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2980217) 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, 114611 + ... + 114636.
It is an arithmetic number, because the mean of its divisors is an integer number (802368).
22980211 is an apocalyptic number.
2980211 is a deficient number, since it is larger than the sum of its proper divisors (229261).
2980211 is a wasteful number, since it uses less digits than its factorization.
2980211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229260.
The product of its (nonzero) digits is 288, while the sum is 23.
The square root of 2980211 is about 1726.3287635905. The cubic root of 2980211 is about 143.9071385603.
The spelling of 2980211 in words is "two million, nine hundred eighty thousand, two hundred eleven".
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