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4243853 = 9074679
BaseRepresentation
bin10000001100000110001101
321222121110202
4100030012031
52041300403
6230543245
751033515
oct20140615
97877422
104243853
112439519
121507b25
13b57873
147c6845
1558c688
hex40c18d

4243853 has 4 divisors (see below), whose sum is σ = 4249440. Its totient is φ = 4238268.

The previous prime is 4243823. The next prime is 4243861. The reversal of 4243853 is 3583424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4243853 - 28 = 4243597 is a prime.

It is a d-powerful number, because it can be written as 47 + 2 + 411 + 33 + 85 + 53 + 35 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243823) 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, 1433 + ... + 3246.

It is an arithmetic number, because the mean of its divisors is an integer number (1062360).

Almost surely, 24243853 is an apocalyptic number.

It is an amenable number.

4243853 is a deficient number, since it is larger than the sum of its proper divisors (5587).

4243853 is an equidigital number, since it uses as much as digits as its factorization.

4243853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586.

The product of its digits is 11520, while the sum is 29.

The square root of 4243853 is about 2060.0614068517. The cubic root of 4243853 is about 161.9024586823.

The spelling of 4243853 in words is "four million, two hundred forty-three thousand, eight hundred fifty-three".

Divisors: 1 907 4679 4243853