Search a number
-
+
20395483 = 113180491
BaseRepresentation
bin100110111001…
…1010111011011
31102101012100021
41031303113123
520210123413
62005051311
7335234023
oct115632733
942335307
1020395483
1110570479
1269b6b37
1342c1444
1429cca83
151bcd18d
hex13735db

20395483 has 4 divisors (see below), whose sum is σ = 20576088. Its totient is φ = 20214880.

The previous prime is 20395481. The next prime is 20395499. The reversal of 20395483 is 38459302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20395483 - 21 = 20395481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20395481) 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, 90133 + ... + 90358.

It is an arithmetic number, because the mean of its divisors is an integer number (5144022).

Almost surely, 220395483 is an apocalyptic number.

20395483 is a deficient number, since it is larger than the sum of its proper divisors (180605).

20395483 is a wasteful number, since it uses less digits than its factorization.

20395483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180604.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 20395483 is about 4516.1358482667. The cubic root of 20395483 is about 273.2192730855.

The spelling of 20395483 in words is "twenty million, three hundred ninety-five thousand, four hundred eighty-three".

Divisors: 1 113 180491 20395483