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493506893 = 111917313649
BaseRepresentation
bin11101011010100…
…101000101001101
31021101121202012002
4131122211011031
52002314210033
6120545322045
715141511415
oct3532450515
91241552162
10493506893
11233632040
12119336325
137b320819
1449785645
152d4d43e8
hex1d6a514d

493506893 has 16 divisors (see below), whose sum is σ = 570024000. Its totient is φ = 422542080.

The previous prime is 493506859. The next prime is 493506899. The reversal of 493506893 is 398605394.

It is a cyclic number.

It is not a de Polignac number, because 493506893 - 216 = 493441357 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 (493506899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29333 + ... + 42981.

It is an arithmetic number, because the mean of its divisors is an integer number (35626500).

Almost surely, 2493506893 is an apocalyptic number.

It is an amenable number.

493506893 is a deficient number, since it is larger than the sum of its proper divisors (76517107).

493506893 is a wasteful number, since it uses less digits than its factorization.

493506893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13852.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 493506893 is about 22215.0150348813. The cubic root of 493506893 is about 790.2498237826.

The spelling of 493506893 in words is "four hundred ninety-three million, five hundred six thousand, eight hundred ninety-three".

Divisors: 1 11 19 173 209 1903 3287 13649 36157 150139 259331 2361277 2852641 25974047 44864263 493506893