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4963985 = 51376369
BaseRepresentation
bin10010111011111010010001
3100100012022022
4102323322101
52232321420
6254221225
760123155
oct22737221
910305268
104963985
112890574
1217b4815
13104a590
14933065
15680c25
hex4bbe91

4963985 has 8 divisors (see below), whose sum is σ = 6415080. Its totient is φ = 3665664.

The previous prime is 4963967. The next prime is 4964009. The reversal of 4963985 is 5893694.

It is a Cunningham number, because it is equal to 22282+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 4963984 = 1^2 + 2228^2 .

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 4963985 - 214 = 4947601 is a prime.

It is a super-2 number, since 2×49639852 = 49282294160450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38120 + ... + 38249.

It is an arithmetic number, because the mean of its divisors is an integer number (801885).

Almost surely, 24963985 is an apocalyptic number.

It is an amenable number.

4963985 is a deficient number, since it is larger than the sum of its proper divisors (1451095).

4963985 is a wasteful number, since it uses less digits than its factorization.

4963985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76387.

The product of its digits is 233280, while the sum is 44.

The square root of 4963985 is about 2228.0002244165. Note that the first 3 decimals coincide. The cubic root of 4963985 is about 170.5860397120.

The spelling of 4963985 in words is "four million, nine hundred sixty-three thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 76369 381845 992797 4963985