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4227889 = 4398323
BaseRepresentation
bin10000001000001100110001
321221210120111
4100020030301
52040243024
6230341321
750636131
oct20101461
97853514
104227889
112428526
1214ba841
13b50513
147c0ac1
15587a94
hex408331

4227889 has 4 divisors (see below), whose sum is σ = 4326256. Its totient is φ = 4129524.

The previous prime is 4227887. The next prime is 4227893. The reversal of 4227889 is 9887224.

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 4227889 - 21 = 4227887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4227887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49119 + ... + 49204.

It is an arithmetic number, because the mean of its divisors is an integer number (1081564).

Almost surely, 24227889 is an apocalyptic number.

It is an amenable number.

4227889 is a deficient number, since it is larger than the sum of its proper divisors (98367).

4227889 is an equidigital number, since it uses as much as digits as its factorization.

4227889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98366.

The product of its digits is 64512, while the sum is 40.

The square root of 4227889 is about 2056.1831144137. The cubic root of 4227889 is about 161.6991954006.

The spelling of 4227889 in words is "four million, two hundred twenty-seven thousand, eight hundred eighty-nine".

Divisors: 1 43 98323 4227889