Search a number
-
+
20793212 = 2211472573
BaseRepresentation
bin100111101010…
…0011101111100
31110010101220222
41033110131330
520310340322
62021400512
7341511416
oct117243574
943111828
1020793212
1110812280
126b69138
13440049b
142a939b6
151c5ae42
hex13d477c

20793212 has 12 divisors (see below), whose sum is σ = 39696216. Its totient is φ = 9451440.

The previous prime is 20793187. The next prime is 20793221. The reversal of 20793212 is 21239702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236243 + ... + 236330.

It is an arithmetic number, because the mean of its divisors is an integer number (3308018).

Almost surely, 220793212 is an apocalyptic number.

20793212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20793212 is a deficient number, since it is larger than the sum of its proper divisors (18903004).

20793212 is a wasteful number, since it uses less digits than its factorization.

20793212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472588 (or 472586 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 20793212 is about 4559.9574559419. The cubic root of 20793212 is about 274.9838535975.

The spelling of 20793212 in words is "twenty million, seven hundred ninety-three thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 472573 945146 1890292 5198303 10396606 20793212