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494190897 = 3179920281
BaseRepresentation
bin11101011101001…
…100000100110001
31021102220111110120
4131131030010301
52003003102042
6121012120453
715150360534
oct3535140461
91242814416
10494190897
11233a59a32
12119606129
137b4ccc65
14498c2a1b
152d5bbdec
hex1d74c131

494190897 has 8 divisors (see below), whose sum is σ = 662603040. Its totient is φ = 327619680.

The previous prime is 494190887. The next prime is 494190911. The reversal of 494190897 is 798091494.

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

It is not a de Polignac number, because 494190897 - 216 = 494125361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494190877) 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, 459604 + ... + 460677.

It is an arithmetic number, because the mean of its divisors is an integer number (82825380).

Almost surely, 2494190897 is an apocalyptic number.

It is an amenable number.

494190897 is a deficient number, since it is larger than the sum of its proper divisors (168412143).

494190897 is a wasteful number, since it uses less digits than its factorization.

494190897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920463.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 494190897 is about 22230.4047871378. The cubic root of 494190897 is about 790.6147524947.

The spelling of 494190897 in words is "four hundred ninety-four million, one hundred ninety thousand, eight hundred ninety-seven".

Divisors: 1 3 179 537 920281 2760843 164730299 494190897