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4947798105 = 325233471893
BaseRepresentation
bin1001001101110100…
…10110100001011001
3110202211011012000200
410212322112201121
540113114014410
62134544252413
7233416406235
oct44672264131
913684135020
104947798105
1121099a2a48
12b61011109
1360b0b21b3
1434d1935c5
151de5943c0
hex126e96859

4947798105 has 24 divisors (see below), whose sum is σ = 8613009288. Its totient is φ = 2627494656.

The previous prime is 4947798071. The next prime is 4947798109. The reversal of 4947798105 is 5018977494.

4947798105 is a `hidden beast` number, since 494 + 7 + 79 + 81 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 49617936 + 4898180169 = 7044^2 + 69987^2 .

It is not a de Polignac number, because 4947798105 - 215 = 4947765337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4947798109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225462 + ... + 246431.

It is an arithmetic number, because the mean of its divisors is an integer number (358875387).

Almost surely, 24947798105 is an apocalyptic number.

4947798105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4947798105 is a deficient number, since it is larger than the sum of its proper divisors (3665211183).

4947798105 is a wasteful number, since it uses less digits than its factorization.

4947798105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472137 (or 472134 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The square root of 4947798105 is about 70340.5864704013. The cubic root of 4947798105 is about 1704.0041833941.

The spelling of 4947798105 in words is "four billion, nine hundred forty-seven million, seven hundred ninety-eight thousand, one hundred five".

Divisors: 1 3 5 9 15 45 233 699 1165 2097 3495 10485 471893 1415679 2359465 4247037 7078395 21235185 109951069 329853207 549755345 989559621 1649266035 4947798105