Search a number
-
+
993208285 = 51671189471
BaseRepresentation
bin111011001100110…
…010011111011101
32120012220012122001
4323030302133131
54013230131120
6242315522301
733420062656
oct7314623735
92505805561
10993208285
1146a7050a3
12238759391
1312a9cca14
1495ca052d
155c2dde0a
hex3b3327dd

993208285 has 8 divisors (see below), whose sum is σ = 1198987776. Its totient is φ = 789808080.

The previous prime is 993208273. The next prime is 993208291. The reversal of 993208285 is 582802399.

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

It is not a de Polignac number, because 993208285 - 25 = 993208253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593901 + ... + 595570.

It is an arithmetic number, because the mean of its divisors is an integer number (149873472).

Almost surely, 2993208285 is an apocalyptic number.

It is an amenable number.

993208285 is a deficient number, since it is larger than the sum of its proper divisors (205779491).

993208285 is a wasteful number, since it uses less digits than its factorization.

993208285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189643.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 993208285 is about 31515.2072022381. The cubic root of 993208285 is about 997.7309503076.

The spelling of 993208285 in words is "nine hundred ninety-three million, two hundred eight thousand, two hundred eighty-five".

Divisors: 1 5 167 835 1189471 5947355 198641657 993208285