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47500249 is a prime number
BaseRepresentation
bin1011010100110…
…0101111011001
310022101021002111
42311030233121
544130001444
64414032321
71114513456
oct265145731
9108337074
1047500249
11248a3705
1213aa86a1
139ac1674
14644682d
154284234
hex2d4cbd9

47500249 has 2 divisors, whose sum is σ = 47500250. Its totient is φ = 47500248.

The previous prime is 47500241. The next prime is 47500259. The reversal of 47500249 is 94200574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 6091024 = 6435^2 + 2468^2 .

It is a cyclic number.

It is not a de Polignac number, because 47500249 - 23 = 47500241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47500249.

It is not a weakly prime, because it can be changed into another prime (47500241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23750124 + 23750125.

It is an arithmetic number, because the mean of its divisors is an integer number (23750125).

Almost surely, 247500249 is an apocalyptic number.

It is an amenable number.

47500249 is a deficient number, since it is larger than the sum of its proper divisors (1).

47500249 is an equidigital number, since it uses as much as digits as its factorization.

47500249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 47500249 is about 6892.0424403801. The cubic root of 47500249 is about 362.1584549941.

The spelling of 47500249 in words is "forty-seven million, five hundred thousand, two hundred forty-nine".