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8488720349 is a prime number
BaseRepresentation
bin1111110011111011…
…11001011111011101
3210220121000200011222
413321331321133131
5114341103022344
63522154423125
7420233634554
oct77175713735
923817020158
108488720349
11366673026a
12178aa31aa5
13a53879065
145a7564d9b
1534a3865ee
hex1f9f797dd

8488720349 has 2 divisors, whose sum is σ = 8488720350. Its totient is φ = 8488720348.

The previous prime is 8488720333. The next prime is 8488720367. The reversal of 8488720349 is 9430278848.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7487440900 + 1001279449 = 86530^2 + 31643^2 .

It is a cyclic number.

It is not a de Polignac number, because 8488720349 - 24 = 8488720333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8488720349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8488720309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4244360174 + 4244360175.

It is an arithmetic number, because the mean of its divisors is an integer number (4244360175).

Almost surely, 28488720349 is an apocalyptic number.

It is an amenable number.

8488720349 is a deficient number, since it is larger than the sum of its proper divisors (1).

8488720349 is an equidigital number, since it uses as much as digits as its factorization.

8488720349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The square root of 8488720349 is about 92134.2517688183. The cubic root of 8488720349 is about 2039.9244132092.

The spelling of 8488720349 in words is "eight billion, four hundred eighty-eight million, seven hundred twenty thousand, three hundred forty-nine".