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2023204240 = 245233108541
BaseRepresentation
bin111100010010111…
…1010010110010000
312020000000102110101
41320211322112100
513120420013430
6532432142144
7101064644431
oct17045722620
95200012411
102023204240
11949056322
12485697954
13263210095
141529b9488
15bc947dca
hex7897a590

2023204240 has 40 divisors (see below), whose sum is σ = 4724182008. Its totient is φ = 805800960.

The previous prime is 2023204229. The next prime is 2023204241. The reversal of 2023204240 is 424023202.

It can be written as a sum of positive squares in 4 ways, for example, as 293642496 + 1729561744 = 17136^2 + 41588^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2023204241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35631 + ... + 72910.

Almost surely, 22023204240 is an apocalyptic number.

2023204240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023204240 is an abundant number, since it is smaller than the sum of its proper divisors (2700977768).

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

2023204240 is a wasteful number, since it uses less digits than its factorization.

2023204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108787 (or 108781 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2023204240 is about 44980.0426856178. The cubic root of 2023204240 is about 1264.7749113902.

Adding to 2023204240 its reverse (424023202), we get a palindrome (2447227442).

The spelling of 2023204240 in words is "two billion, twenty-three million, two hundred four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 233 466 932 1165 1864 2330 3728 4660 9320 18640 108541 217082 434164 542705 868328 1085410 1736656 2170820 4341640 8683280 25290053 50580106 101160212 126450265 202320424 252900530 404640848 505801060 1011602120 2023204240