Search a number
-
+
20727382 = 213797207
BaseRepresentation
bin100111100010…
…0011001010110
31110000001121211
41033010121112
520301234012
62020132034
7341115454
oct117043126
943001554
1020727382
1110777875
126b3701a
1343a9530
142a779d4
151c466a7
hex13c4656

20727382 has 8 divisors (see below), whose sum is σ = 33482736. Its totient is φ = 9566472.

The previous prime is 20727379. The next prime is 20727383. The reversal of 20727382 is 28372702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20727383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398578 + ... + 398629.

It is an arithmetic number, because the mean of its divisors is an integer number (4185342).

Almost surely, 220727382 is an apocalyptic number.

20727382 is a deficient number, since it is larger than the sum of its proper divisors (12755354).

20727382 is a wasteful number, since it uses less digits than its factorization.

20727382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797222.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 20727382 is about 4552.7334646342. The cubic root of 20727382 is about 274.6933529569.

The spelling of 20727382 in words is "twenty million, seven hundred twenty-seven thousand, three hundred eighty-two".

Divisors: 1 2 13 26 797207 1594414 10363691 20727382