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79000249 is a prime number
BaseRepresentation
bin1001011010101…
…11001010111001
312111122121222011
410231113022321
5130211001444
611501125521
71646330266
oct455271271
9174577864
1079000249
1140659069
12225598a1
13134a0313
14a6c626d
156e07734
hex4b572b9

79000249 has 2 divisors, whose sum is σ = 79000250. Its totient is φ = 79000248.

The previous prime is 79000231. The next prime is 79000253. The reversal of 79000249 is 94200097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55234624 + 23765625 = 7432^2 + 4875^2 .

It is a cyclic number.

It is not a de Polignac number, because 79000249 - 29 = 78999737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79000249.

It is not a weakly prime, because it can be changed into another prime (79000289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39500124 + 39500125.

It is an arithmetic number, because the mean of its divisors is an integer number (39500125).

Almost surely, 279000249 is an apocalyptic number.

It is an amenable number.

79000249 is a deficient number, since it is larger than the sum of its proper divisors (1).

79000249 is an equidigital number, since it uses as much as digits as its factorization.

79000249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 79000249 is about 8888.2084246489. The cubic root of 79000249 is about 429.0844935120.

The spelling of 79000249 in words is "seventy-nine million, two hundred forty-nine", and thus it is an aban number.