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494846681 = 770692383
BaseRepresentation
bin11101011111101…
…100001011011001
31021111010211000212
4131133230023121
52003140043211
6121034140505
715156061460
oct3537541331
91244124025
10494846681
112343676aa
12119881735
137b69c5b4
1449a139d7
152d69b38b
hex1d7ec2d9

494846681 has 4 divisors (see below), whose sum is σ = 565539072. Its totient is φ = 424154292.

The previous prime is 494846669. The next prime is 494846683. The reversal of 494846681 is 186648494.

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 494846681 - 26 = 494846617 is a prime.

It is a super-2 number, since 2×4948466812 = 489746475393431522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494846683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35346185 + ... + 35346198.

It is an arithmetic number, because the mean of its divisors is an integer number (141384768).

Almost surely, 2494846681 is an apocalyptic number.

It is an amenable number.

494846681 is a deficient number, since it is larger than the sum of its proper divisors (70692391).

494846681 is an equidigital number, since it uses as much as digits as its factorization.

494846681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70692390.

The product of its digits is 1327104, while the sum is 50.

The square root of 494846681 is about 22245.1496061501. The cubic root of 494846681 is about 790.9643092765.

It can be divided in two parts, 49484 and 6681, that added together give a palindrome (56165).

The spelling of 494846681 in words is "four hundred ninety-four million, eight hundred forty-six thousand, six hundred eighty-one".

Divisors: 1 7 70692383 494846681