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4427420 = 2253137193
BaseRepresentation
bin10000111000111010011100
322022221021112
4100320322130
52113134140
6234521152
752426634
oct20707234
98287245
104427420
112554428
1215961b8
13bc029a
148336c4
155c6c65
hex438e9c

4427420 has 48 divisors (see below), whose sum is σ = 9907968. Its totient is φ = 1658880.

The previous prime is 4427417. The next prime is 4427443. The reversal of 4427420 is 247244.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22844 + ... + 23036.

It is an arithmetic number, because the mean of its divisors is an integer number (206416).

Almost surely, 24427420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4427420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4953984).

4427420 is an abundant number, since it is smaller than the sum of its proper divisors (5480548).

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

4427420 is a wasteful number, since it uses less digits than its factorization.

4427420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 4427420 is about 2104.1435312259. The cubic root of 4427420 is about 164.2039402197.

The spelling of 4427420 in words is "four million, four hundred twenty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 37 62 74 124 148 155 185 193 310 370 386 620 740 772 965 1147 1930 2294 3860 4588 5735 5983 7141 11470 11966 14282 22940 23932 28564 29915 35705 59830 71410 119660 142820 221371 442742 885484 1106855 2213710 4427420