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245000279 is a prime number
BaseRepresentation
bin11101001101001…
…10100001010111
3122002000022012102
432212212201113
51000210002104
640151112315
76033316346
oct1646464127
9562008172
10245000279
11116329377
126a07269b
133b9b1aa4
1424777b5d
1516797a1e
hexe9a6857

245000279 has 2 divisors, whose sum is σ = 245000280. Its totient is φ = 245000278.

The previous prime is 245000267. The next prime is 245000303. The reversal of 245000279 is 972000542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245000279 - 212 = 244996183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245000879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122500139 + 122500140.

It is an arithmetic number, because the mean of its divisors is an integer number (122500140).

Almost surely, 2245000279 is an apocalyptic number.

245000279 is a deficient number, since it is larger than the sum of its proper divisors (1).

245000279 is an equidigital number, since it uses as much as digits as its factorization.

245000279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 245000279 is about 15652.4847548241. The cubic root of 245000279 is about 625.7327120904.

The spelling of 245000279 in words is "two hundred forty-five million, two hundred seventy-nine", and thus it is an aban number.