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493910247 = 31583104003
BaseRepresentation
bin11101011100000…
…111100011100111
31021102101020111010
4131130013203213
52002420111442
6121002113303
715145111365
oct3534074347
91242336433
10493910247
11233888096
121194ab833
137b4322ac
144984c635
152d563b9c
hex1d7078e7

493910247 has 8 divisors (see below), whose sum is σ = 658969344. Its totient is φ = 329062328.

The previous prime is 493910213. The next prime is 493910251. The reversal of 493910247 is 742019394.

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

It is a cyclic number.

It is not a de Polignac number, because 493910247 - 223 = 485521639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493910267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47253 + ... + 56750.

It is an arithmetic number, because the mean of its divisors is an integer number (82371168).

Almost surely, 2493910247 is an apocalyptic number.

493910247 is a deficient number, since it is larger than the sum of its proper divisors (165059097).

493910247 is a wasteful number, since it uses less digits than its factorization.

493910247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105589.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 493910247 is about 22224.0915899841. The cubic root of 493910247 is about 790.4650613208.

The spelling of 493910247 in words is "four hundred ninety-three million, nine hundred ten thousand, two hundred forty-seven".

Divisors: 1 3 1583 4749 104003 312009 164636749 493910247