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4225231 = 17248543
BaseRepresentation
bin10000000111100011001111
321221122221001
4100013203033
52040201411
6230321131
750625313
oct20074317
97848831
104225231
11242652a
1214b91a7
13b4c24a
147bdb43
15586dc1
hex4078cf

4225231 has 4 divisors (see below), whose sum is σ = 4473792. Its totient is φ = 3976672.

The previous prime is 4225229. The next prime is 4225237. The reversal of 4225231 is 1325224.

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

It is a cyclic number.

It is not a de Polignac number, because 4225231 - 21 = 4225229 is a prime.

It is a super-2 number, since 2×42252312 = 35705154006722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4225199 and 4225208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124255 + ... + 124288.

It is an arithmetic number, because the mean of its divisors is an integer number (1118448).

Almost surely, 24225231 is an apocalyptic number.

4225231 is a deficient number, since it is larger than the sum of its proper divisors (248561).

4225231 is a wasteful number, since it uses less digits than its factorization.

4225231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248560.

The product of its digits is 480, while the sum is 19.

The square root of 4225231 is about 2055.5366695829. The cubic root of 4225231 is about 161.6653024767.

The spelling of 4225231 in words is "four million, two hundred twenty-five thousand, two hundred thirty-one".

Divisors: 1 17 248543 4225231