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39798241 = 721747777
BaseRepresentation
bin1001011111010…
…0010111100001
32202212221220221
42113310113201
540142020431
63541003041
7662164600
oct227642741
982787827
1039798241
112051300a
12113b3481
138325a72
1453dda37
153762111
hex25f45e1

39798241 has 12 divisors (see below), whose sum is σ = 49020228. Its totient is φ = 32105472.

The previous prime is 39798221. The next prime is 39798259. The reversal of 39798241 is 14289793.

It can be written as a sum of positive squares in 2 ways, for example, as 29203216 + 10595025 = 5404^2 + 3255^2 .

It is not a de Polignac number, because 39798241 - 27 = 39798113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39798221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23056 + ... + 24721.

It is an arithmetic number, because the mean of its divisors is an integer number (4085019).

Almost surely, 239798241 is an apocalyptic number.

It is an amenable number.

39798241 is a deficient number, since it is larger than the sum of its proper divisors (9221987).

39798241 is a wasteful number, since it uses less digits than its factorization.

39798241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47808 (or 47801 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 39798241 is about 6308.5847065725. The cubic root of 39798241 is about 341.4192147850.

The spelling of 39798241 in words is "thirty-nine million, seven hundred ninety-eight thousand, two hundred forty-one".

Divisors: 1 7 17 49 119 833 47777 334439 812209 2341073 5685463 39798241