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4481424 = 243231121
BaseRepresentation
bin10001000110000110010000
322102200100200
4101012012100
52121401144
6240015200
753043243
oct21060620
98380320
104481424
112590a62
121601500
13c0ba3c
1484925a
155d7c69
hex446190

4481424 has 30 divisors (see below), whose sum is σ = 12542166. Its totient is φ = 1493760.

The previous prime is 4481401. The next prime is 4481431. The reversal of 4481424 is 4241844.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3873024 + 608400 = 1968^2 + 780^2 .

It is a super-2 number, since 2×44814242 = 40166322135552, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15417 + ... + 15704.

Almost surely, 24481424 is an apocalyptic number.

It is an amenable number.

4481424 is an abundant number, since it is smaller than the sum of its proper divisors (8060742).

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

4481424 is a wasteful number, since it uses less digits than its factorization.

4481424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31135 (or 31126 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 4481424 is about 2116.9374105060. The cubic root of 4481424 is about 164.8688765417.

The spelling of 4481424 in words is "four million, four hundred eighty-one thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 31121 62242 93363 124484 186726 248968 280089 373452 497936 560178 746904 1120356 1493808 2240712 4481424