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4247441 = 11386131
BaseRepresentation
bin10000001100111110010001
321222210101122
4100030332101
52041404231
6231012025
751050132
oct20147621
97883348
104247441
112441190
12150a015
13b593a3
147c7c89
1558d77b
hex40cf91

4247441 has 4 divisors (see below), whose sum is σ = 4633584. Its totient is φ = 3861300.

The previous prime is 4247429. The next prime is 4247443. The reversal of 4247441 is 1447424.

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 4247441 - 26 = 4247377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4247441.

It is not an unprimeable number, because it can be changed into a prime (4247443) 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, 193055 + ... + 193076.

It is an arithmetic number, because the mean of its divisors is an integer number (1158396).

Almost surely, 24247441 is an apocalyptic number.

It is an amenable number.

4247441 is a deficient number, since it is larger than the sum of its proper divisors (386143).

4247441 is a wasteful number, since it uses less digits than its factorization.

4247441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386142.

The product of its digits is 3584, while the sum is 26.

The square root of 4247441 is about 2060.9320706903. The cubic root of 4247441 is about 161.9480730794.

The spelling of 4247441 in words is "four million, two hundred forty-seven thousand, four hundred forty-one".

Divisors: 1 11 386131 4247441