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493745623 = 7233066743
BaseRepresentation
bin11101011011011…
…111010111010111
31021102001212122221
4131123133113113
52002344324443
6120554403211
715143524420
oct3533372727
91242055587
10493745623
11233785438
12119430507
137b3a5397
1449808647
152d52eeed
hex1d6df5d7

493745623 has 8 divisors (see below), whose sum is σ = 588814848. Its totient is φ = 404809944.

The previous prime is 493745611. The next prime is 493745639. The reversal of 493745623 is 326547394.

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

It is not a de Polignac number, because 493745623 - 29 = 493745111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 493745623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493745663) 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, 1533211 + ... + 1533532.

It is an arithmetic number, because the mean of its divisors is an integer number (73601856).

Almost surely, 2493745623 is an apocalyptic number.

493745623 is a deficient number, since it is larger than the sum of its proper divisors (95069225).

493745623 is a wasteful number, since it uses less digits than its factorization.

493745623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066773.

The product of its digits is 544320, while the sum is 43.

The square root of 493745623 is about 22220.3875528758. The cubic root of 493745623 is about 790.3772289117.

The spelling of 493745623 in words is "four hundred ninety-three million, seven hundred forty-five thousand, six hundred twenty-three".

Divisors: 1 7 23 161 3066743 21467201 70535089 493745623