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4900427509 = 8161600469
BaseRepresentation
bin1001001000001011…
…01001011011110101
3110122112000111210011
410210011221123311
540014002140014
62130133100221
7232302642445
oct44405513365
913575014704
104900427509
11209518879a
12b49187671
13601337863
14346b82125
151da3387c4
hex1241696f5

4900427509 has 4 divisors (see below), whose sum is σ = 4901036140. Its totient is φ = 4899818880.

The previous prime is 4900427501. The next prime is 4900427551. The reversal of 4900427509 is 9057240094.

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 3468032100 + 1432395409 = 58890^2 + 37847^2 .

It is a cyclic number.

It is not a de Polignac number, because 4900427509 - 23 = 4900427501 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 (4900427501) 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, 292074 + ... + 308395.

It is an arithmetic number, because the mean of its divisors is an integer number (1225259035).

Almost surely, 24900427509 is an apocalyptic number.

It is an amenable number.

4900427509 is a deficient number, since it is larger than the sum of its proper divisors (608631).

4900427509 is an equidigital number, since it uses as much as digits as its factorization.

4900427509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608630.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 4900427509 is about 70003.0535691123. The cubic root of 4900427509 is about 1698.5486469765.

The spelling of 4900427509 in words is "four billion, nine hundred million, four hundred twenty-seven thousand, five hundred nine".

Divisors: 1 8161 600469 4900427509