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424233020 = 225131161921
BaseRepresentation
bin11001010010010…
…100100000111100
31002120021021022002
4121102110200330
51332100424040
6110032441432
713340630651
oct3122244074
91076237262
10424233020
111a8517602
12ba0a9278
1369b77673
14404b1c28
152739da15
hex1949483c

424233020 has 24 divisors (see below), whose sum is σ = 897695568. Its totient is φ = 168396800.

The previous prime is 424232993. The next prime is 424233037. The reversal of 424233020 is 20332424.

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 = 424232983 and 424233001.

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, 78341 + ... + 83580.

It is an arithmetic number, because the mean of its divisors is an integer number (37403982).

Almost surely, 2424233020 is an apocalyptic number.

It is an amenable number.

424233020 is an abundant number, since it is smaller than the sum of its proper divisors (473462548).

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

424233020 is a wasteful number, since it uses less digits than its factorization.

424233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162061 (or 162059 counting only the distinct ones).

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

The square root of 424233020 is about 20596.9177305732. The cubic root of 424233020 is about 751.3947498080.

Adding to 424233020 its reverse (20332424), we get a palindrome (444565444).

The spelling of 424233020 in words is "four hundred twenty-four million, two hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 161921 323842 647684 809605 1619210 3238420 21211651 42423302 84846604 106058255 212116510 424233020