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4881938 = 22440969
BaseRepresentation
bin10010100111111000010010
3100012000202112
4102213320102
52222210223
6252345322
756332025
oct22477022
910160675
104881938
112834966
121775242
13101c129
149111bc
15666778
hex4a7e12

4881938 has 4 divisors (see below), whose sum is σ = 7322910. Its totient is φ = 2440968.

The previous prime is 4881931. The next prime is 4881949. The reversal of 4881938 is 8391884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3751969 + 1129969 = 1937^2 + 1063^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 4881895 and 4881904.

It is not an unprimeable number, because it can be changed into a prime (4881931) 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, 1220483 + ... + 1220486.

Almost surely, 24881938 is an apocalyptic number.

4881938 is a deficient number, since it is larger than the sum of its proper divisors (2440972).

4881938 is a wasteful number, since it uses less digits than its factorization.

4881938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440971.

The product of its digits is 55296, while the sum is 41.

The square root of 4881938 is about 2209.5108055857. The cubic root of 4881938 is about 169.6409723975.

The spelling of 4881938 in words is "four million, eight hundred eighty-one thousand, nine hundred thirty-eight".

Divisors: 1 2 2440969 4881938