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4480428 = 2231943457
BaseRepresentation
bin10001000101110110101100
322102121222210
4101011312230
52121333203
6240010420
753040321
oct21056654
98377883
104480428
112590237
121600a10
13c0b454
14848b48
155d7803
hex445dac

4480428 has 48 divisors (see below), whose sum is σ = 11285120. Its totient is φ = 1378944.

The previous prime is 4480403. The next prime is 4480429. The reversal of 4480428 is 8240844.

It is a junction number, because it is equal to n+sod(n) for n = 4480395 and 4480404.

It is not an unprimeable number, because it can be changed into a prime (4480429) 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 15 ways as a sum of consecutive naturals, for example, 9576 + ... + 10032.

Almost surely, 24480428 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 4480428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5642560).

4480428 is an abundant number, since it is smaller than the sum of its proper divisors (6804692).

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

4480428 is a wasteful number, since it uses less digits than its factorization.

4480428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 4480428 is about 2116.7021519335. The cubic root of 4480428 is about 164.8566615576.

The spelling of 4480428 in words is "four million, four hundred eighty thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 43 57 76 86 114 129 172 228 258 457 516 817 914 1371 1634 1828 2451 2742 3268 4902 5484 8683 9804 17366 19651 26049 34732 39302 52098 58953 78604 104196 117906 235812 373369 746738 1120107 1493476 2240214 4480428