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20260750 = 25381043
BaseRepresentation
bin100110101001…
…0011110001110
31102010100112011
41031102132032
520141321000
62002131434
7334133146
oct115223616
942110464
1020260750
1110489224
126950b7a
134275013
142995926
151ba32ba
hex135278e

20260750 has 16 divisors (see below), whose sum is σ = 37928592. Its totient is φ = 8104200.

The previous prime is 20260741. The next prime is 20260781. The reversal of 20260750 is 5706202.

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, 40272 + ... + 40771.

It is an arithmetic number, because the mean of its divisors is an integer number (2370537).

Almost surely, 220260750 is an apocalyptic number.

20260750 is a deficient number, since it is larger than the sum of its proper divisors (17667842).

20260750 is an equidigital number, since it uses as much as digits as its factorization.

20260750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81060 (or 81050 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20260750 is about 4501.1942859646. The cubic root of 20260750 is about 272.6163126057.

Adding to 20260750 its reverse (5706202), we get a palindrome (25966952).

The spelling of 20260750 in words is "twenty million, two hundred sixty thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 81043 162086 405215 810430 2026075 4052150 10130375 20260750