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4949393949 = 3461103629
BaseRepresentation
bin1001001110000000…
…11100001000011101
3110202221011021010000
410213000130020131
540114021101244
62135042404513
7233436103653
oct44700341035
913687137100
104949393949
11210a892a25
12b61660739
1360b520696
1434d48add3
151de7ac169
hex12701c21d

4949393949 has 10 divisors (see below), whose sum is σ = 7393539230. Its totient is φ = 3299595912.

The previous prime is 4949393927. The next prime is 4949393959. The reversal of 4949393949 is 9493939494.

It can be written as a sum of positive squares in only one way, i.e., 3971268324 + 978125625 = 63018^2 + 31275^2 .

It is not a de Polignac number, because 4949393949 - 213 = 4949385757 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 (4949393909) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 30551734 + ... + 30551895.

It is an arithmetic number, because the mean of its divisors is an integer number (739353923).

Almost surely, 24949393949 is an apocalyptic number.

It is an amenable number.

4949393949 is a deficient number, since it is larger than the sum of its proper divisors (2444145281).

4949393949 is an equidigital number, since it uses as much as digits as its factorization.

4949393949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61103641 (or 61103632 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 63.

The square root of 4949393949 is about 70351.9292485999. The cubic root of 4949393949 is about 1704.1873647128.

The spelling of 4949393949 in words is "four billion, nine hundred forty-nine million, three hundred ninety-three thousand, nine hundred forty-nine".

Divisors: 1 3 9 27 81 61103629 183310887 549932661 1649797983 4949393949