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4578000985 = 5915600197
BaseRepresentation
bin1000100001101111…
…01100000001011001
3102211001022112202001
410100313230001121
533333432012420
62034134241001
7221306236435
oct42067540131
912731275661
104578000985
111a3a186998
12a791b6161
1357c5b702c
143160119c5
151bbd99b0a
hex110dec059

4578000985 has 4 divisors (see below), whose sum is σ = 5493601188. Its totient is φ = 3662400784.

The previous prime is 4578000971. The next prime is 4578000997. The reversal of 4578000985 is 5890008754.

4578000985 = 478432 + 478442.

4578000985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2288952649 + 2289048336 = 47843^2 + 47844^2 .

It is a cyclic number.

It is not a de Polignac number, because 4578000985 - 29 = 4578000473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457800094 + ... + 457800103.

It is an arithmetic number, because the mean of its divisors is an integer number (1373400297).

Almost surely, 24578000985 is an apocalyptic number.

4578000985 is the 47844-th centered square number.

It is an amenable number.

4578000985 is a deficient number, since it is larger than the sum of its proper divisors (915600203).

4578000985 is an equidigital number, since it uses as much as digits as its factorization.

4578000985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915600202.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 4578000985 is about 67660.9265750921. The cubic root of 4578000985 is about 1660.4480554938.

The spelling of 4578000985 in words is "four billion, five hundred seventy-eight million, nine hundred eighty-five", and thus it is an aban number.

Divisors: 1 5 915600197 4578000985