Search a number
-
+
20932343 = 374712037
BaseRepresentation
bin100111111011…
…0011011110111
31110101110202222
41033312123313
520324313333
62024352555
7342631145
oct117663367
943343688
1020932343
11108a7863
12701575b
13444b903
142acc595
151c87298
hex13f66f7

20932343 has 8 divisors (see below), whose sum is σ = 21957312. Its totient is φ = 19931616.

The previous prime is 20932259. The next prime is 20932349. The reversal of 20932343 is 34323902.

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

It is a cyclic number.

It is not a de Polignac number, because 20932343 - 212 = 20928247 is a prime.

It is a super-3 number, since 3×209323433 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20932349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280 + ... + 7757.

It is an arithmetic number, because the mean of its divisors is an integer number (2744664).

Almost surely, 220932343 is an apocalyptic number.

20932343 is a deficient number, since it is larger than the sum of its proper divisors (1024969).

20932343 is a wasteful number, since it uses less digits than its factorization.

20932343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12121.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 20932343 is about 4575.1877557101. The cubic root of 20932343 is about 275.5958123188.

The spelling of 20932343 in words is "twenty million, nine hundred thirty-two thousand, three hundred forty-three".

Divisors: 1 37 47 1739 12037 445369 565739 20932343