Base | Representation |
---|---|
bin | 1011010110010010001101 |
3 | 12121010202001 |
4 | 23112102031 |
5 | 1230143421 |
6 | 143432301 |
7 | 34200031 |
oct | 13262215 |
9 | 5533661 |
10 | 2974861 |
11 | 175206a |
12 | bb5691 |
13 | 802096 |
14 | 5761c1 |
15 | 3db691 |
hex | 2d648d |
2974861 has 2 divisors, whose sum is σ = 2974862. Its totient is φ = 2974860.
The previous prime is 2974859. The next prime is 2974883. The reversal of 2974861 is 1684792.
2974861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2175625 + 799236 = 1475^2 + 894^2 .
It is a cyclic number.
It is not a de Polignac number, because 2974861 - 21 = 2974859 is a prime.
Together with 2974859, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2974861.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2974891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1487430 + 1487431.
It is an arithmetic number, because the mean of its divisors is an integer number (1487431).
22974861 is an apocalyptic number.
It is an amenable number.
2974861 is a deficient number, since it is larger than the sum of its proper divisors (1).
2974861 is an equidigital number, since it uses as much as digits as its factorization.
2974861 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 24192, while the sum is 37.
The square root of 2974861 is about 1724.7785365084. The cubic root of 2974861 is about 143.8209741517.
The spelling of 2974861 in words is "two million, nine hundred seventy-four thousand, eight hundred sixty-one".
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