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4491968 = 26135399
BaseRepresentation
bin10001001000101011000000
322110012211012
4101020223000
52122220333
6240140052
753116055
oct21105300
98405735
104491968
112598978
121607628
13c13790
1484d02c
155dae48
hex448ac0

4491968 has 28 divisors (see below), whose sum is σ = 9601200. Its totient is φ = 2072832.

The previous prime is 4491953. The next prime is 4491989. The reversal of 4491968 is 8691944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (342900).

Almost surely, 24491968 is an apocalyptic number.

It is an amenable number.

4491968 is an abundant number, since it is smaller than the sum of its proper divisors (5109232).

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

4491968 is a wasteful number, since it uses less digits than its factorization.

4491968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424 (or 5414 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 4491968 is about 2119.4263374791. The cubic root of 4491968 is about 164.9980777248.

The spelling of 4491968 in words is "four million, four hundred ninety-one thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 5399 10798 21596 43192 70187 86384 140374 172768 280748 345536 561496 1122992 2245984 4491968