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12450050 = 2524992
BaseRepresentation
bin101111011111…
…100100000010
3212102112020222
4233133210002
511141400200
61122503042
7210552344
oct57374402
925375228
1012450050
1170339a8
124204a82
13276bac2
141921294
15115dd85
hexbdf902

12450050 has 18 divisors (see below), whose sum is σ = 23203593. Its totient is φ = 4970040.

The previous prime is 12450023. The next prime is 12450059. The reversal of 12450050 is 5005421.

It can be written as a sum of positive squares in 2 ways, for example, as 12201049 + 249001 = 3493^2 + 499^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=2495.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12450059) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 24701 + ... + 25199.

Almost surely, 212450050 is an apocalyptic number.

12450050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12450050 is a deficient number, since it is larger than the sum of its proper divisors (10753543).

12450050 is an frugal number, since it uses more digits than its factorization.

12450050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 12450050 is about 3528.4628381209. The cubic root of 12450050 is about 231.7698991869.

Multiplying 12450050 by its product of nonzero digits (200), we get a square (2490010000 = 499002).

Adding to 12450050 its reverse (5005421), we get a palindrome (17455471).

The spelling of 12450050 in words is "twelve million, four hundred fifty thousand, fifty".

Divisors: 1 2 5 10 25 50 499 998 2495 4990 12475 24950 249001 498002 1245005 2490010 6225025 12450050