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4484720 = 24561919
BaseRepresentation
bin10001000110111001110000
322102211212202
4101012321300
52122002340
6240042332
753055662
oct21067160
98384782
104484720
112593489
1216033a8
13c103a6
1484a532
155d8c15
hex446e70

4484720 has 40 divisors (see below), whose sum is σ = 10609440. Its totient is φ = 1762560.

The previous prime is 4484687. The next prime is 4484729. The reversal of 4484720 is 274844.

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

It is a super-2 number, since 2×44847202 = 40225426956800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4484729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4421 + ... + 5339.

It is an arithmetic number, because the mean of its divisors is an integer number (265236).

Almost surely, 24484720 is an apocalyptic number.

4484720 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 4484720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5304720).

4484720 is an abundant number, since it is smaller than the sum of its proper divisors (6124720).

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

4484720 is a wasteful number, since it uses less digits than its factorization.

4484720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 4484720 is about 2117.7157505199. The cubic root of 4484720 is about 164.9092859182.

The spelling of 4484720 in words is "four million, four hundred eighty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 61 80 122 244 305 488 610 919 976 1220 1838 2440 3676 4595 4880 7352 9190 14704 18380 36760 56059 73520 112118 224236 280295 448472 560590 896944 1121180 2242360 4484720