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493686395 = 5123180209
BaseRepresentation
bin11101011011010…
…000111001111011
31021101221212102022
4131123100321323
52002340431040
6120553225055
715143156636
oct3533207173
91241855368
10493686395
11233744994
1211940218b
137b384437
14497d0c1d
152d51c6b5
hex1d6d0e7b

493686395 has 8 divisors (see below), whose sum is σ = 592912320. Its totient is φ = 394623360.

The previous prime is 493686379. The next prime is 493686419. The reversal of 493686395 is 593686394.

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

It is not a de Polignac number, because 493686395 - 24 = 493686379 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33950 + ... + 46259.

It is an arithmetic number, because the mean of its divisors is an integer number (74114040).

Almost surely, 2493686395 is an apocalyptic number.

493686395 is a deficient number, since it is larger than the sum of its proper divisors (99225925).

493686395 is a wasteful number, since it uses less digits than its factorization.

493686395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81445.

The product of its digits is 4199040, while the sum is 53.

The square root of 493686395 is about 22219.0547728746. The cubic root of 493686395 is about 790.3456240176.

Subtracting 493686395 from its reverse (593686394), we obtain a palindrome (99999999).

The spelling of 493686395 in words is "four hundred ninety-three million, six hundred eighty-six thousand, three hundred ninety-five".

Divisors: 1 5 1231 6155 80209 401045 98737279 493686395