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424323020 = 225111928741
BaseRepresentation
bin11001010010101…
…010011111001100
31002120102211202102
4121102222133030
51332111314040
6110034414232
713341454232
oct3122523714
91076384672
10424323020
111a8579190
12ba131378
1369ba9614
14404d6952
15273ba515
hex194aa7cc

424323020 has 24 divisors (see below), whose sum is σ = 972085968. Its totient is φ = 154299200.

The previous prime is 424323013. The next prime is 424323037. The reversal of 424323020 is 20323424.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 424322983 and 424323001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964151 + ... + 964590.

It is an arithmetic number, because the mean of its divisors is an integer number (40503582).

Almost surely, 2424323020 is an apocalyptic number.

It is an amenable number.

424323020 is an abundant number, since it is smaller than the sum of its proper divisors (547762948).

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

424323020 is a wasteful number, since it uses less digits than its factorization.

424323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928761 (or 1928759 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 424323020 is about 20599.1024076293. The cubic root of 424323020 is about 751.4478815718.

Adding to 424323020 its reverse (20323424), we get a palindrome (444646444).

The spelling of 424323020 in words is "four hundred twenty-four million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1928741 3857482 7714964 9643705 19287410 21216151 38574820 42432302 84864604 106080755 212161510 424323020