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4492986 = 23748831
BaseRepresentation
bin10001001000111010111010
322110021012220
4101020322322
52122233421
6240144510
753122041
oct21107272
98407186
104492986
112599713
121608136
13c14094
1484d558
155db3c6
hex448eba

4492986 has 8 divisors (see below), whose sum is σ = 8985984. Its totient is φ = 1497660.

The previous prime is 4492927. The next prime is 4492997. The reversal of 4492986 is 6892944.

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

4492986 is an admirable number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 374410 + ... + 374421.

It is an arithmetic number, because the mean of its divisors is an integer number (1123248).

Almost surely, 24492986 is an apocalyptic number.

4492986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4492986 is a wasteful number, since it uses less digits than its factorization.

4492986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748836.

The product of its digits is 124416, while the sum is 42.

The square root of 4492986 is about 2119.6664831997. Note that the first 3 decimals coincide. The cubic root of 4492986 is about 165.0105411080.

Subtracting from 4492986 its sum of digits (42), we obtain a palindrome (4492944).

The spelling of 4492986 in words is "four million, four hundred ninety-two thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 748831 1497662 2246493 4492986