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4480872 = 2331121543
BaseRepresentation
bin10001000101111101101000
322102122121020
4101011331220
52121341442
6240012440
753041524
oct21057550
98378536
104480872
112590600
121601120
13c0b706
14848d84
155d79ec
hex445f68

4480872 has 48 divisors (see below), whose sum is σ = 12321120. Its totient is φ = 1356960.

The previous prime is 4480871. The next prime is 4480897. The reversal of 4480872 is 2780844.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (4480871) 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 11 ways as a sum of consecutive naturals, for example, 2133 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (256690).

Almost surely, 24480872 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 4480872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6160560).

4480872 is an abundant number, since it is smaller than the sum of its proper divisors (7840248).

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

4480872 is a wasteful number, since it uses less digits than its factorization.

4480872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 4480872 is about 2116.8070294668. The cubic root of 4480872 is about 164.8621070151.

The spelling of 4480872 in words is "four million, four hundred eighty thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 121 132 242 264 363 484 726 968 1452 1543 2904 3086 4629 6172 9258 12344 16973 18516 33946 37032 50919 67892 101838 135784 186703 203676 373406 407352 560109 746812 1120218 1493624 2240436 4480872