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20850348 = 2231737529
BaseRepresentation
bin100111110001…
…0011010101100
31110020022022010
41033202122230
520314202343
62022521220
7342140121
oct117423254
943208263
1020850348
11108511a2
126b96210
1344204ac
142aaa748
151c6cd33
hex13e26ac

20850348 has 12 divisors (see below), whose sum is σ = 48650840. Its totient is φ = 6950112.

The previous prime is 20850343. The next prime is 20850367. The reversal of 20850348 is 84305802.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×208503482 = 869474023442208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20850343) 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 3 ways as a sum of consecutive naturals, for example, 868753 + ... + 868776.

Almost surely, 220850348 is an apocalyptic number.

It is an amenable number.

20850348 is an abundant number, since it is smaller than the sum of its proper divisors (27800492).

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

20850348 is a wasteful number, since it uses less digits than its factorization.

20850348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737536 (or 1737534 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 20850348 is about 4566.2181288239. The cubic root of 20850348 is about 275.2354919465.

The spelling of 20850348 in words is "twenty million, eight hundred fifty thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 1737529 3475058 5212587 6950116 10425174 20850348