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49850321 is a prime number
BaseRepresentation
bin1011111000101…
…0011111010001
310110210122210012
42332022133101
5100230202241
64540244305
71143502133
oct276123721
9113718705
1049850321
1126159314
1214840695
13a435241
146899053
15459a6eb
hex2f8a7d1

49850321 has 2 divisors, whose sum is σ = 49850322. Its totient is φ = 49850320.

The previous prime is 49850309. The next prime is 49850329. The reversal of 49850321 is 12305894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44742721 + 5107600 = 6689^2 + 2260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49850321 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (49850329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24925160 + 24925161.

It is an arithmetic number, because the mean of its divisors is an integer number (24925161).

Almost surely, 249850321 is an apocalyptic number.

It is an amenable number.

49850321 is a deficient number, since it is larger than the sum of its proper divisors (1).

49850321 is an equidigital number, since it uses as much as digits as its factorization.

49850321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 49850321 is about 7060.4759754566. The cubic root of 49850321 is about 368.0351676576.

The spelling of 49850321 in words is "forty-nine million, eight hundred fifty thousand, three hundred twenty-one".