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424044220 = 22521202211
BaseRepresentation
bin11001010001100…
…110011010111100
31002112220200022111
4121101212122330
51332023403340
6110024423404
713336213345
oct3121463274
91075820274
10424044220
111a83a8776
12ba017b64
1369b0c752
14404630cc
1527362aea
hex194666bc

424044220 has 12 divisors (see below), whose sum is σ = 890492904. Its totient is φ = 169617680.

The previous prime is 424044211. The next prime is 424044221. The reversal of 424044220 is 22440424.

It is a junction number, because it is equal to n+sod(n) for n = 424044191 and 424044200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424044221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10601086 + ... + 10601125.

It is an arithmetic number, because the mean of its divisors is an integer number (74207742).

Almost surely, 2424044220 is an apocalyptic number.

It is an amenable number.

424044220 is an abundant number, since it is smaller than the sum of its proper divisors (466448684).

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

424044220 is a wasteful number, since it uses less digits than its factorization.

424044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21202220 (or 21202218 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 424044220 is about 20592.3340105001. The cubic root of 424044220 is about 751.2832667533.

Adding to 424044220 its reverse (22440424), we get a palindrome (446484644).

The spelling of 424044220 in words is "four hundred twenty-four million, forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 21202211 42404422 84808844 106011055 212022110 424044220