Search a number
-
+
491484027 = 3172395083
BaseRepresentation
bin11101010010110…
…111001101111011
31021020210222100010
4131102313031323
52001304442102
6120434113003
715115355016
oct3522671573
91236728303
10491484027
11232480251
1211871b763
137aa92b68
14493ba37d
152d234d6c
hex1d4b737b

491484027 has 8 divisors (see below), whose sum is σ = 655699264. Its totient is φ = 327462408.

The previous prime is 491484017. The next prime is 491484041. The reversal of 491484027 is 720484194.

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

It is not a de Polignac number, because 491484027 - 211 = 491481979 is a prime.

It is a super-2 number, since 2×4914840272 = 483113097592273458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (491484017) by changing a digit.

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, 42373 + ... + 52710.

It is an arithmetic number, because the mean of its divisors is an integer number (81962408).

Almost surely, 2491484027 is an apocalyptic number.

491484027 is a deficient number, since it is larger than the sum of its proper divisors (164215237).

491484027 is a wasteful number, since it uses less digits than its factorization.

491484027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96809.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 491484027 is about 22169.4390321451. The cubic root of 491484027 is about 789.1686104847.

The spelling of 491484027 in words is "four hundred ninety-one million, four hundred eighty-four thousand, twenty-seven".

Divisors: 1 3 1723 5169 95083 285249 163828009 491484027