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4249538289 = 33157390307
BaseRepresentation
bin1111110101001010…
…1100111011110001
3101222011020220122000
43331102230323301
532200340211124
61541402204213
7210210323313
oct37522547361
911864226560
104249538289
111890832017
129a71b3669
13529531bc9
142c454d7b3
1519d1176c9
hexfd4acef1

4249538289 has 8 divisors (see below), whose sum is σ = 6295612320. Its totient is φ = 2833025508.

The previous prime is 4249538273. The next prime is 4249538303. The reversal of 4249538289 is 9828359424.

4249538289 is a `hidden beast` number, since 4 + 24 + 9 + 538 + 2 + 89 = 666.

It is not a de Polignac number, because 4249538289 - 24 = 4249538273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4249538219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78695127 + ... + 78695180.

It is an arithmetic number, because the mean of its divisors is an integer number (786951540).

Almost surely, 24249538289 is an apocalyptic number.

It is an amenable number.

4249538289 is a deficient number, since it is larger than the sum of its proper divisors (2046074031).

4249538289 is a wasteful number, since it uses less digits than its factorization.

4249538289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157390316 (or 157390310 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 4249538289 is about 65188.4827941255. The cubic root of 4249538289 is about 1619.7472410869.

The spelling of 4249538289 in words is "four billion, two hundred forty-nine million, five hundred thirty-eight thousand, two hundred eighty-nine".

Divisors: 1 3 9 27 157390307 472170921 1416512763 4249538289