Search a number
-
+
2033215540 = 225373272549
BaseRepresentation
bin111100100110000…
…0110100000110100
312020200212001101021
41321030012200310
513131000344130
6533430510524
7101246022046
oct17114064064
95220761337
102033215540
11953773a24
12488b05444
13265306b25
14154063a96
15bd77437a
hex79306834

2033215540 has 24 divisors (see below), whose sum is σ = 4281215400. Its totient is φ = 811102848.

The previous prime is 2033215529. The next prime is 2033215553. The reversal of 2033215540 is 455123302.

It can be written as a sum of positive squares in 4 ways, for example, as 669981456 + 1363234084 = 25884^2 + 36922^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128815 + ... + 143734.

It is an arithmetic number, because the mean of its divisors is an integer number (178383975).

Almost surely, 22033215540 is an apocalyptic number.

2033215540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2033215540 is an abundant number, since it is smaller than the sum of its proper divisors (2247999860).

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

2033215540 is a wasteful number, since it uses less digits than its factorization.

2033215540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272931 (or 272929 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2033215540 is about 45091.1913792483. The cubic root of 2033215540 is about 1266.8576164884.

Adding to 2033215540 its reverse (455123302), we get a palindrome (2488338842).

The spelling of 2033215540 in words is "two billion, thirty-three million, two hundred fifteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 373 746 1492 1865 3730 7460 272549 545098 1090196 1362745 2725490 5450980 101660777 203321554 406643108 508303885 1016607770 2033215540