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4445071 = 14393089
BaseRepresentation
bin10000111101001110001111
322100211111021
4100331032033
52114220241
6235135011
752532251
oct20751617
98324437
104445071
112566714
1215a4467
13bc8327
14839cd1
155cc0d1
hex43d38f

4445071 has 4 divisors (see below), whose sum is σ = 4449600. Its totient is φ = 4440544.

The previous prime is 4445047. The next prime is 4445083. The reversal of 4445071 is 1705444.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4445071 - 27 = 4444943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (1112400).

Almost surely, 24445071 is an apocalyptic number.

4445071 is a deficient number, since it is larger than the sum of its proper divisors (4529).

4445071 is a wasteful number, since it uses less digits than its factorization.

4445071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 4445071 is about 2108.3337022398. Note that the first 3 decimals coincide. The cubic root of 4445071 is about 164.4218640200.

It can be divided in two parts, 44450 and 71, that added together give a square (44521 = 2112).

The spelling of 4445071 in words is "four million, four hundred forty-five thousand, seventy-one".

Divisors: 1 1439 3089 4445071