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20732050 = 252414641
BaseRepresentation
bin100111100010…
…1100010010010
31110000022000201
41033011202102
520301411200
62020205414
7341135203
oct117054222
943008021
1020732050
1110780329
126b3986a
1343ab6b1
142a795aa
151c47c6a
hex13c5892

20732050 has 12 divisors (see below), whose sum is σ = 38561706. Its totient is φ = 8292800.

The previous prime is 20732003. The next prime is 20732051. The reversal of 20732050 is 5023702.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19439281 + 1292769 = 4409^2 + 1137^2 .

It is not an unprimeable number, because it can be changed into a prime (20732051) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 207271 + ... + 207370.

Almost surely, 220732050 is an apocalyptic number.

20732050 is a deficient number, since it is larger than the sum of its proper divisors (17829656).

20732050 is a wasteful number, since it uses less digits than its factorization.

20732050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414653 (or 414648 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 20732050 is about 4553.2460948207. The cubic root of 20732050 is about 274.7139725786.

Adding to 20732050 its reverse (5023702), we get a palindrome (25755752).

The spelling of 20732050 in words is "twenty million, seven hundred thirty-two thousand, fifty".

Divisors: 1 2 5 10 25 50 414641 829282 2073205 4146410 10366025 20732050