Search a number
-
+
2020124450 = 252172139801
BaseRepresentation
bin111100001101000…
…1010011100100010
312012210012221210002
41320122022130202
513114122440300
6532242140002
7101026526441
oct17032123442
95183187702
102020124450
11947342443
12484651602
132626a2316
14152416d58
15bc53a5d5
hex7868a722

2020124450 has 36 divisors (see below), whose sum is σ = 3991486902. Its totient is φ = 760512000.

The previous prime is 2020124443. The next prime is 2020124459. The reversal of 2020124450 is 544210202.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 770007001 + 1250117449 = 27749^2 + 35357^2 .

It is not an unprimeable number, because it can be changed into a prime (2020124459) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55451 + ... + 84350.

Almost surely, 22020124450 is an apocalyptic number.

2020124450 is a deficient number, since it is larger than the sum of its proper divisors (1971362452).

2020124450 is a wasteful number, since it uses less digits than its factorization.

2020124450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139847 (or 139825 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2020124450 is about 44945.7945752436. The cubic root of 2020124450 is about 1264.1328244126.

Adding to 2020124450 its reverse (544210202), we get a palindrome (2564334652).

The spelling of 2020124450 in words is "two billion, twenty million, one hundred twenty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 289 425 578 850 1445 2890 7225 14450 139801 279602 699005 1398010 2376617 3495025 4753234 6990050 11883085 23766170 40402489 59415425 80804978 118830850 202012445 404024890 1010062225 2020124450