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4445057 = 5383869
BaseRepresentation
bin10000111101001110000001
322100211110202
4100331032001
52114220212
6235134545
752532231
oct20751601
98324422
104445057
112566701
1215a4455
13bc8316
14839cc1
155cc0c2
hex43d381

4445057 has 4 divisors (see below), whose sum is σ = 4528980. Its totient is φ = 4361136.

The previous prime is 4445047. The next prime is 4445083. The reversal of 4445057 is 7505444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1784896 + 2660161 = 1336^2 + 1631^2 .

It is a cyclic number.

It is not a de Polignac number, because 4445057 - 216 = 4379521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4445017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41882 + ... + 41987.

It is an arithmetic number, because the mean of its divisors is an integer number (1132245).

Almost surely, 24445057 is an apocalyptic number.

It is an amenable number.

4445057 is a deficient number, since it is larger than the sum of its proper divisors (83923).

4445057 is an equidigital number, since it uses as much as digits as its factorization.

4445057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83922.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 4445057 is about 2108.3303820796. The cubic root of 4445057 is about 164.4216914012.

The spelling of 4445057 in words is "four million, four hundred forty-five thousand, fifty-seven".

Divisors: 1 53 83869 4445057