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493075997 = 1094523633
BaseRepresentation
bin11101011000111…
…011111000011101
31021100210212002222
4131120323320131
52002211412442
6120532155125
715135035231
oct3530737035
91240725088
10493075997
11233368327
12119168aa5
137b1cc65b
14496b25c1
152d44b8d2
hex1d63be1d

493075997 has 4 divisors (see below), whose sum is σ = 497599740. Its totient is φ = 488552256.

The previous prime is 493075991. The next prime is 493076033. The reversal of 493075997 is 799570394.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 368217721 + 124858276 = 19189^2 + 11174^2 .

It is a cyclic number.

It is not a de Polignac number, because 493075997 - 220 = 492027421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493075991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261708 + ... + 2261925.

It is an arithmetic number, because the mean of its divisors is an integer number (124399935).

Almost surely, 2493075997 is an apocalyptic number.

It is an amenable number.

493075997 is a deficient number, since it is larger than the sum of its proper divisors (4523743).

493075997 is a wasteful number, since it uses less digits than its factorization.

493075997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523742.

The product of its (nonzero) digits is 2143260, while the sum is 53.

The square root of 493075997 is about 22205.3146115969. The cubic root of 493075997 is about 790.0197596938.

The spelling of 493075997 in words is "four hundred ninety-three million, seventy-five thousand, nine hundred ninety-seven".

Divisors: 1 109 4523633 493075997