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3995573 = 4197453
BaseRepresentation
bin1111001111011110110101
321111222220012
433033132311
52010324243
6221350005
745650621
oct17173665
97458805
103995573
112289a2a
121408305
13a9b85a
14760181
1553dd18
hex3cf7b5

3995573 has 4 divisors (see below), whose sum is σ = 4093068. Its totient is φ = 3898080.

The previous prime is 3995557. The next prime is 3995581. The reversal of 3995573 is 3755993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3755993 = 29129517.

It can be written as a sum of positive squares in 2 ways, for example, as 1249924 + 2745649 = 1118^2 + 1657^2 .

It is a cyclic number.

It is not a de Polignac number, because 3995573 - 24 = 3995557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 97453 = 3995573 / (3 + 9 + 9 + 5 + 5 + 7 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3995573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995503) 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, 48686 + ... + 48767.

It is an arithmetic number, because the mean of its divisors is an integer number (1023267).

Almost surely, 23995573 is an apocalyptic number.

It is an amenable number.

3995573 is a deficient number, since it is larger than the sum of its proper divisors (97495).

3995573 is an equidigital number, since it uses as much as digits as its factorization.

3995573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97494.

The product of its digits is 127575, while the sum is 41.

The square root of 3995573 is about 1998.8929436065. The cubic root of 3995573 is about 158.6815217086.

The spelling of 3995573 in words is "three million, nine hundred ninety-five thousand, five hundred seventy-three".

Divisors: 1 41 97453 3995573