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2050278400 = 210522832
BaseRepresentation
bin111101000110100…
…1100010000000000
312021212221221020001
41322031030100000
513144332402100
6535240325344
7101544036022
oct17215142000
95255857201
102050278400
11962368565
12492773854
132689cc3b1
14156426012
15beee4d6a
hex7a34c400

2050278400 has 99 divisors (see below), whose sum is σ = 5100229461. Its totient is φ = 817213440.

The previous prime is 2050278359. The next prime is 2050278463. The reversal of 2050278400 is 48720502.

The square root of 2050278400 is 45280.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 738100224 + 1312178176 = 27168^2 + 36224^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7244659 + ... + 7244941.

Almost surely, 22050278400 is an apocalyptic number.

2050278400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2050278400 is the 45280-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2050278400

2050278400 is an abundant number, since it is smaller than the sum of its proper divisors (3049951061).

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

2050278400 is an frugal number, since it uses more digits than its factorization.

2050278400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The cubic root of 2050278400 is about 1270.3915960250.

Adding to 2050278400 its reverse (48720502), we get a palindrome (2098998902).

The spelling of 2050278400 in words is "two billion, fifty million, two hundred seventy-eight thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 283 320 400 512 566 640 800 1024 1132 1280 1415 1600 2264 2560 2830 3200 4528 5120 5660 6400 7075 9056 11320 12800 14150 18112 22640 25600 28300 36224 45280 56600 72448 80089 90560 113200 144896 160178 181120 226400 289792 320356 362240 400445 452800 640712 724480 800890 905600 1281424 1448960 1601780 1811200 2002225 2562848 3203560 3622400 4004450 5125696 6407120 7244800 8008900 10251392 12814240 16017800 20502784 25628480 32035600 41005568 51256960 64071200 82011136 102513920 128142400 205027840 256284800 410055680 512569600 1025139200 2050278400