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4223420 = 225474493
BaseRepresentation
bin10000000111000110111100
321221120102222
4100013012330
52040122140
6230304512
750620115
oct20070674
97846388
104223420
112425133
1214b8138
13b4b486
147bd20c
155865b5
hex4071bc

4223420 has 24 divisors (see below), whose sum is σ = 9059904. Its totient is φ = 1653056.

The previous prime is 4223413. The next prime is 4223431. The reversal of 4223420 is 243224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307 + ... + 3186.

It is an arithmetic number, because the mean of its divisors is an integer number (377496).

Almost surely, 24223420 is an apocalyptic number.

It is an amenable number.

4223420 is an abundant number, since it is smaller than the sum of its proper divisors (4836484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4223420 is a wasteful number, since it uses less digits than its factorization.

4223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4223420 is about 2055.0961048087. The cubic root of 4223420 is about 161.6422017513.

Adding to 4223420 its reverse (243224), we get a palindrome (4466644).

The spelling of 4223420 in words is "four million, two hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 4493 8986 17972 22465 44930 89860 211171 422342 844684 1055855 2111710 4223420