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4445812 = 227831913
BaseRepresentation
bin10000111101011001110100
322100212111201
4100331121310
52114231222
6235142244
752534360
oct20753164
98325451
104445812
112567228
1215a4984
13bc8777
1483a2a0
155cc427
hex43d674

4445812 has 24 divisors (see below), whose sum is σ = 9003456. Its totient is φ = 1881408.

The previous prime is 4445797. The next prime is 4445821. The reversal of 4445812 is 2185444.

4445812 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

4445812 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368 + ... + 3280.

It is an arithmetic number, because the mean of its divisors is an integer number (375144).

Almost surely, 24445812 is an apocalyptic number.

It is an amenable number.

4445812 is an abundant number, since it is smaller than the sum of its proper divisors (4557644).

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

4445812 is a wasteful number, since it uses less digits than its factorization.

4445812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007 (or 2005 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 4445812 is about 2108.5094261113. The cubic root of 4445812 is about 164.4309999695.

The spelling of 4445812 in words is "four million, four hundred forty-five thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 83 166 332 581 1162 1913 2324 3826 7652 13391 26782 53564 158779 317558 635116 1111453 2222906 4445812