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4224213020 = 2251637129023
BaseRepresentation
bin1111101111001000…
…0110000000011100
3101220101121020220002
43323302012000130
532122344304040
61535055313432
7206452134566
oct37362060034
911811536802
104224213020
111878504845
1299a81b878
13524205941
142c103a336
1519acb3a15
hexfbc8601c

4224213020 has 24 divisors (see below), whose sum is σ = 8876335104. Its totient is φ = 1688639936.

The previous prime is 4224213013. The next prime is 4224213041. The reversal of 4224213020 is 203124224.

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 = 4224212983 and 4224213001.

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, 31772 + ... + 97251.

It is an arithmetic number, because the mean of its divisors is an integer number (369847296).

Almost surely, 24224213020 is an apocalyptic number.

It is an amenable number.

4224213020 is an abundant number, since it is smaller than the sum of its proper divisors (4652122084).

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

4224213020 is a wasteful number, since it uses less digits than its factorization.

4224213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130669 (or 130667 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4224213020 is about 64993.9460257646. The cubic root of 4224213020 is about 1616.5231815594.

Adding to 4224213020 its reverse (203124224), we get a palindrome (4427337244).

The spelling of 4224213020 in words is "four billion, two hundred twenty-four million, two hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 1637 3274 6548 8185 16370 32740 129023 258046 516092 645115 1290230 2580460 211210651 422421302 844842604 1056053255 2112106510 4224213020