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4480880 = 24579709
BaseRepresentation
bin10001000101111101110000
322102122121112
4101011331300
52121342010
6240012452
753041535
oct21057560
98378545
104480880
112590608
121601128
13c0b711
14848d8c
155d7a05
hex445f70

4480880 has 40 divisors (see below), whose sum is σ = 10564800. Its totient is φ = 1767168.

The previous prime is 4480871. The next prime is 4480897. The reversal of 4480880 is 880844.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 5966 + ... + 6674.

It is an arithmetic number, because the mean of its divisors is an integer number (264120).

Almost surely, 24480880 is an apocalyptic number.

4480880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4480880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5282400).

4480880 is an abundant number, since it is smaller than the sum of its proper divisors (6083920).

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

4480880 is a wasteful number, since it uses less digits than its factorization.

4480880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 4480880 is about 2116.8089191044. The cubic root of 4480880 is about 164.8622051281.

The spelling of 4480880 in words is "four million, four hundred eighty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 79 80 158 316 395 632 709 790 1264 1418 1580 2836 3160 3545 5672 6320 7090 11344 14180 28360 56011 56720 112022 224044 280055 448088 560110 896176 1120220 2240440 4480880