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7970849 is a prime number
BaseRepresentation
bin11110011010000000100001
3112222221221122
4132122000201
54020031344
6442502025
7124515425
oct36320041
915887848
107970849
114554687
122804915
1318610a3
1410b6b85
15a76aee
hex79a021

7970849 has 2 divisors, whose sum is σ = 7970850. Its totient is φ = 7970848.

The previous prime is 7970827. The next prime is 7970869. The reversal of 7970849 is 9480797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 868624 = 2665^2 + 932^2 .

It is an emirp because it is prime and its reverse (9480797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7970849 - 220 = 6922273 is a prime.

It is not a weakly prime, because it can be changed into another prime (7970869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3985424 + 3985425.

It is an arithmetic number, because the mean of its divisors is an integer number (3985425).

Almost surely, 27970849 is an apocalyptic number.

It is an amenable number.

7970849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7970849 is an equidigital number, since it uses as much as digits as its factorization.

7970849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 7970849 is about 2823.2692043091. The cubic root of 7970849 is about 199.7567793384.

The spelling of 7970849 in words is "seven million, nine hundred seventy thousand, eight hundred forty-nine".