Search a number
-
+
20814232 = 2347197281
BaseRepresentation
bin100111101100…
…1100110011000
31110011110202111
41033121212120
520312023412
62022042104
7341626615
oct117314630
943143674
1020814232
111082704a
126b79334
134409c1a
142a9b50c
151c622a7
hex13d9998

20814232 has 32 divisors (see below), whose sum is σ = 40201920. Its totient is φ = 10097920.

The previous prime is 20814203. The next prime is 20814251. The reversal of 20814232 is 23241802.

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, 73932 + ... + 74212.

It is an arithmetic number, because the mean of its divisors is an integer number (1256310).

Almost surely, 220814232 is an apocalyptic number.

It is an amenable number.

20814232 is a deficient number, since it is larger than the sum of its proper divisors (19387688).

20814232 is a wasteful number, since it uses less digits than its factorization.

20814232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20814232 is about 4562.2617198052. The cubic root of 20814232 is about 275.0764834095.

The spelling of 20814232 in words is "twenty million, eight hundred fourteen thousand, two hundred thirty-two".

Divisors: 1 2 4 8 47 94 188 197 281 376 394 562 788 1124 1576 2248 9259 13207 18518 26414 37036 52828 55357 74072 105656 110714 221428 442856 2601779 5203558 10407116 20814232