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493095817 = 2112336947
BaseRepresentation
bin11101011001000…
…000101110001001
31021100211212022001
4131121000232021
52002213031232
6120532431001
715135150064
oct3531005611
91240755261
10493095817
11233381205
12119178461
137b208696
14496b98db
152d4526e7
hex1d640b89

493095817 has 4 divisors (see below), whose sum is σ = 495432976. Its totient is φ = 490758660.

The previous prime is 493095797. The next prime is 493095821. The reversal of 493095817 is 718590394.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 493095817 - 227 = 358878089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493095857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168263 + ... + 1168684.

It is an arithmetic number, because the mean of its divisors is an integer number (123858244).

Almost surely, 2493095817 is an apocalyptic number.

It is an amenable number.

493095817 is a deficient number, since it is larger than the sum of its proper divisors (2337159).

493095817 is a wasteful number, since it uses less digits than its factorization.

493095817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337158.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 493095817 is about 22205.7608966682. The cubic root of 493095817 is about 790.0303449328.

The spelling of 493095817 in words is "four hundred ninety-three million, ninety-five thousand, eight hundred seventeen".

Divisors: 1 211 2336947 493095817