Search a number
-
+
20483318 = 213973681
BaseRepresentation
bin100111000100…
…0110011110110
31102112122211102
41032020303312
520220431233
62011010102
7336051062
oct116106366
942478742
1020483318
1110620469
126a39932
13432240b
142a12aa2
151be91e8
hex1388cf6

20483318 has 8 divisors (see below), whose sum is σ = 30946440. Its totient is φ = 10167840.

The previous prime is 20483303. The next prime is 20483339. The reversal of 20483318 is 81338402.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 36563 + ... + 37118.

It is an arithmetic number, because the mean of its divisors is an integer number (3868305).

Almost surely, 220483318 is an apocalyptic number.

20483318 is a deficient number, since it is larger than the sum of its proper divisors (10463122).

20483318 is a wasteful number, since it uses less digits than its factorization.

20483318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73822.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 20483318 is about 4525.8499754190. The cubic root of 20483318 is about 273.6109259313.

The spelling of 20483318 in words is "twenty million, four hundred eighty-three thousand, three hundred eighteen".

Divisors: 1 2 139 278 73681 147362 10241659 20483318