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4225791 = 31408597
BaseRepresentation
bin10000000111101011111111
321221200200210
4100013223333
52040211131
6230323503
750630043
oct20075377
97850623
104225791
112426999
1214b9593
13b4c58b
147c0023
15587146
hex407aff

4225791 has 4 divisors (see below), whose sum is σ = 5634392. Its totient is φ = 2817192.

The previous prime is 4225787. The next prime is 4225799. The reversal of 4225791 is 1975224.

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

It is not a de Polignac number, because 4225791 - 22 = 4225787 is a prime.

It is a D-number.

It is a Duffinian number.

4225791 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225799) 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, 704296 + ... + 704301.

It is an arithmetic number, because the mean of its divisors is an integer number (1408598).

Almost surely, 24225791 is an apocalyptic number.

4225791 is a deficient number, since it is larger than the sum of its proper divisors (1408601).

4225791 is a wasteful number, since it uses less digits than its factorization.

4225791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408600.

The product of its digits is 5040, while the sum is 30.

The square root of 4225791 is about 2055.6728825375. The cubic root of 4225791 is about 161.6724443797.

The spelling of 4225791 in words is "four million, two hundred twenty-five thousand, seven hundred ninety-one".

Divisors: 1 3 1408597 4225791