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4949845 = 56116229
BaseRepresentation
bin10010111000011101010101
3100022110220121
4102320131111
52231343340
6254031541
760034015
oct22703525
910273817
104949845
11288098a
1217a85b1
131044004
1492bc45
1567b94a
hex4b8755

4949845 has 8 divisors (see below), whose sum is σ = 6037560. Its totient is φ = 3894720.

The previous prime is 4949843. The next prime is 4949881. The reversal of 4949845 is 5489494.

4949845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 531441 + 4418404 = 729^2 + 2102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4949845 - 21 = 4949843 is a prime.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7810 + ... + 8419.

It is an arithmetic number, because the mean of its divisors is an integer number (754695).

Almost surely, 24949845 is an apocalyptic number.

It is an amenable number.

4949845 is a deficient number, since it is larger than the sum of its proper divisors (1087715).

4949845 is a wasteful number, since it uses less digits than its factorization.

4949845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16295.

The product of its digits is 207360, while the sum is 43.

The square root of 4949845 is about 2224.8247121964. The cubic root of 4949845 is about 170.4239132133.

It can be divided in two parts, 49 and 49845, that added together give a palindrome (49894).

The spelling of 4949845 in words is "four million, nine hundred forty-nine thousand, eight hundred forty-five".

Divisors: 1 5 61 305 16229 81145 989969 4949845