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424005020 = 22528437457
BaseRepresentation
bin11001010001011…
…100110110011100
31002112211200112122
4121101130312130
51332021130040
6110023522112
713335661145
oct3121346634
91075750478
10424005020
111a838127a
12b9bb9338
1369ac795a
1440452acc
15273561b5
hex1945cd9c

424005020 has 24 divisors (see below), whose sum is σ = 890843184. Its totient is φ = 169519616.

The previous prime is 424005017. The next prime is 424005031. The reversal of 424005020 is 20500424.

It is a self number, because there is not a number n which added to its sum of digits gives 424005020.

It is a congruent number.

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, 53132 + ... + 60588.

It is an arithmetic number, because the mean of its divisors is an integer number (37118466).

Almost surely, 2424005020 is an apocalyptic number.

It is an amenable number.

424005020 is an abundant number, since it is smaller than the sum of its proper divisors (466838164).

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

424005020 is a wasteful number, since it uses less digits than its factorization.

424005020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309 (or 10307 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 424005020 is about 20591.3821779889. The cubic root of 424005020 is about 751.2601156996.

Adding to 424005020 its reverse (20500424), we get a palindrome (444505444).

The spelling of 424005020 in words is "four hundred twenty-four million, five thousand, twenty".

Divisors: 1 2 4 5 10 20 2843 5686 7457 11372 14215 14914 28430 29828 37285 56860 74570 149140 21200251 42400502 84801004 106001255 212002510 424005020