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2848981 is a prime number
BaseRepresentation
bin1010110111100011010101
312100202001211
422313203111
51212131411
6141021421
733134032
oct12674325
95322054
102848981
111676533
12b54871
137899b5
14542389
153b4221
hex2b78d5

2848981 has 2 divisors, whose sum is σ = 2848982. Its totient is φ = 2848980.

The previous prime is 2848973. The next prime is 2849009. The reversal of 2848981 is 1898482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2588881 + 260100 = 1609^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 2848981 - 23 = 2848973 is a prime.

It is a super-2 number, since 2×28489812 = 16233385476722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2848921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1424490 + 1424491.

It is an arithmetic number, because the mean of its divisors is an integer number (1424491).

22848981 is an apocalyptic number.

It is an amenable number.

2848981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2848981 is an equidigital number, since it uses as much as digits as its factorization.

2848981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 40.

The square root of 2848981 is about 1687.8924728785. The cubic root of 2848981 is about 141.7630943654.

The spelling of 2848981 in words is "two million, eight hundred forty-eight thousand, nine hundred eighty-one".