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4487012 = 221318563
BaseRepresentation
bin10001000111011101100100
322102222000122
4101013131210
52122041022
6240101112
753065445
oct21073544
98388018
104487012
112595182
121604798
13c1144a
1484b2cc
155d9742
hex447764

4487012 has 12 divisors (see below), whose sum is σ = 7913136. Its totient is φ = 2226120.

The previous prime is 4487011. The next prime is 4487029. The reversal of 4487012 is 2107844.

It is not an unprimeable number, because it can be changed into a prime (4487011) 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 in 3 ways as a sum of consecutive naturals, for example, 3758 + ... + 4805.

It is an arithmetic number, because the mean of its divisors is an integer number (659428).

Almost surely, 24487012 is an apocalyptic number.

It is an amenable number.

4487012 is a deficient number, since it is larger than the sum of its proper divisors (3426124).

4487012 is a wasteful number, since it uses less digits than its factorization.

4487012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8698 (or 8696 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 4487012 is about 2118.2568305095. The cubic root of 4487012 is about 164.9373744582.

The spelling of 4487012 in words is "four million, four hundred eighty-seven thousand, twelve".

Divisors: 1 2 4 131 262 524 8563 17126 34252 1121753 2243506 4487012