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4948237989 = 32549804221
BaseRepresentation
bin1001001101111000…
…00001111010100101
3110202211222112102200
410212330001322211
540113222103424
62135001525113
7233423220552
oct44674017245
913684875380
104948237989
11210a173492
12b611a3799
1360b207496
1434d269a29
151de62e8c9
hex126f01ea5

4948237989 has 6 divisors (see below), whose sum is σ = 7147454886. Its totient is φ = 3298825320.

The previous prime is 4948237981. The next prime is 4948237997. The reversal of 4948237989 is 9897328494.

4948237989 is a `hidden beast` number, since 4 + 9 + 482 + 3 + 79 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (4948237981) and next prime (4948237997).

It can be written as a sum of positive squares in only one way, i.e., 4609052100 + 339185889 = 67890^2 + 18417^2 .

It is not a de Polignac number, because 4948237989 - 23 = 4948237981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4948237981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274902102 + ... + 274902119.

It is an arithmetic number, because the mean of its divisors is an integer number (1191242481).

Almost surely, 24948237989 is an apocalyptic number.

It is an amenable number.

4948237989 is a deficient number, since it is larger than the sum of its proper divisors (2199216897).

4948237989 is a wasteful number, since it uses less digits than its factorization.

4948237989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549804227 (or 549804224 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The square root of 4948237989 is about 70343.7132158944. The cubic root of 4948237989 is about 1704.0546800628.

The spelling of 4948237989 in words is "four billion, nine hundred forty-eight million, two hundred thirty-seven thousand, nine hundred eighty-nine".

Divisors: 1 3 9 549804221 1649412663 4948237989