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494144825 = 5219765793
BaseRepresentation
bin11101011101000…
…000110100111001
31021102211011021012
4131131000310321
52003000113300
6121011123305
715150106316
oct3535006471
91242734235
10494144825
11233a28359
121195a3535
137b4b4cb5
14498add0d
152d5ad435
hex1d740d39

494144825 has 6 divisors (see below), whose sum is σ = 612739614. Its totient is φ = 395315840.

The previous prime is 494144803. The next prime is 494144843. The reversal of 494144825 is 528441494.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 16384 + 494128441 = 128^2 + 22229^2 .

It is not a de Polignac number, because 494144825 - 28 = 494144569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9882872 + ... + 9882921.

It is an arithmetic number, because the mean of its divisors is an integer number (102123269).

Almost surely, 2494144825 is an apocalyptic number.

It is an amenable number.

494144825 is a deficient number, since it is larger than the sum of its proper divisors (118594789).

494144825 is a wasteful number, since it uses less digits than its factorization.

494144825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19765803 (or 19765798 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 494144825 is about 22229.3685245443. The cubic root of 494144825 is about 790.5901828158.

The spelling of 494144825 in words is "four hundred ninety-four million, one hundred forty-four thousand, eight hundred twenty-five".

Divisors: 1 5 25 19765793 98828965 494144825