Base | Representation |
---|---|
bin | 1011110011000111110101 |
3 | 12211010202212 |
4 | 23303013311 |
5 | 1242433411 |
6 | 150143205 |
7 | 35201303 |
oct | 13630765 |
9 | 5733685 |
10 | 3092981 |
11 | 1822891 |
12 | 1051b05 |
13 | 843a88 |
14 | 5a7273 |
15 | 41168b |
hex | 2f31f5 |
3092981 has 2 divisors, whose sum is σ = 3092982. Its totient is φ = 3092980.
The previous prime is 3092977. The next prime is 3092983. The reversal of 3092981 is 1892903.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2588881 + 504100 = 1609^2 + 710^2 .
It is a cyclic number.
It is not a de Polignac number, because 3092981 - 22 = 3092977 is a prime.
It is a super-2 number, since 2×30929812 = 19133062932722, which contains 22 as substring.
Together with 3092983, it forms a pair of twin primes.
It is a Chen prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3092983) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1546490 + 1546491.
It is an arithmetic number, because the mean of its divisors is an integer number (1546491).
Almost surely, 23092981 is an apocalyptic number.
It is an amenable number.
3092981 is a deficient number, since it is larger than the sum of its proper divisors (1).
3092981 is an equidigital number, since it uses as much as digits as its factorization.
3092981 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 32.
The square root of 3092981 is about 1758.6872945467. The cubic root of 3092981 is about 145.6998430881.
It can be divided in two parts, 309 and 2981, that multiplied together give a palindrome (921129).
The spelling of 3092981 in words is "three million, ninety-two thousand, nine hundred eighty-one".
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