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4949863 = 31159673
BaseRepresentation
bin10010111000011101100111
3100022110221021
4102320131213
52231343423
6254032011
760034042
oct22703547
910273837
104949863
1128809a6
1217a8607
131044019
1492bc59
1567b95d
hex4b8767

4949863 has 4 divisors (see below), whose sum is σ = 5109568. Its totient is φ = 4790160.

The previous prime is 4949843. The next prime is 4949881. The reversal of 4949863 is 3689494.

4949863 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3689494 = 21844747.

It is a cyclic number.

It is not a de Polignac number, because 4949863 - 217 = 4818791 is a prime.

It is a super-2 number, since 2×49498632 = 49002287437538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949843) 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 in 3 ways as a sum of consecutive naturals, for example, 79806 + ... + 79867.

It is an arithmetic number, because the mean of its divisors is an integer number (1277392).

Almost surely, 24949863 is an apocalyptic number.

4949863 is a deficient number, since it is larger than the sum of its proper divisors (159705).

4949863 is a wasteful number, since it uses less digits than its factorization.

4949863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159704.

The product of its digits is 186624, while the sum is 43.

The square root of 4949863 is about 2224.8287574553. The cubic root of 4949863 is about 170.4241197939.

The spelling of 4949863 in words is "four million, nine hundred forty-nine thousand, eight hundred sixty-three".

Divisors: 1 31 159673 4949863