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2023432420 = 225101171621
BaseRepresentation
bin111100010011011…
…0010000011100100
312020000110000110111
41320212302003210
513120444314140
6532441102404
7101066614612
oct17046620344
95200400414
102023432420
119491a17a9
12485787a04
1326328cbb9
14152a386b2
15bc9907ea
hex789b20e4

2023432420 has 12 divisors (see below), whose sum is σ = 4249208124. Its totient is φ = 809372960.

The previous prime is 2023432409. The next prime is 2023432421. The reversal of 2023432420 is 242343202.

It can be written as a sum of positive squares in 2 ways, for example, as 262958656 + 1760473764 = 16216^2 + 41958^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2023432391 and 2023432400.

It is not an unprimeable number, because it can be changed into a prime (2023432421) 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, 50585791 + ... + 50585830.

It is an arithmetic number, because the mean of its divisors is an integer number (354100677).

Almost surely, 22023432420 is an apocalyptic number.

2023432420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023432420 is an abundant number, since it is smaller than the sum of its proper divisors (2225775704).

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

2023432420 is a wasteful number, since it uses less digits than its factorization.

2023432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101171630 (or 101171628 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2023432420 is about 44982.5790723476. The cubic root of 2023432420 is about 1264.8224573382.

Adding to 2023432420 its reverse (242343202), we get a palindrome (2265775622).

The spelling of 2023432420 in words is "two billion, twenty-three million, four hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 101171621 202343242 404686484 505858105 1011716210 2023432420