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245394245 = 5237329231
BaseRepresentation
bin11101010000001…
…10101101000101
3122002202022121202
432220012231011
51000310103440
640203352245
76036550055
oct1650065505
9562668552
10245394245
11116578368
126a222685
133babc1c5
142483b565
1516824615
hexea06b45

245394245 has 16 divisors (see below), whose sum is σ = 311496192. Its totient is φ = 185201280.

The previous prime is 245394229. The next prime is 245394251. The reversal of 245394245 is 542493542.

It is not a de Polignac number, because 245394245 - 24 = 245394229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245394199 and 245394208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6221 + ... + 23010.

It is an arithmetic number, because the mean of its divisors is an integer number (19468512).

Almost surely, 2245394245 is an apocalyptic number.

It is an amenable number.

245394245 is a deficient number, since it is larger than the sum of its proper divisors (66101947).

245394245 is a wasteful number, since it uses less digits than its factorization.

245394245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29332.

The product of its digits is 172800, while the sum is 38.

The square root of 245394245 is about 15665.0644748115. The cubic root of 245394245 is about 626.0679299351.

The spelling of 245394245 in words is "two hundred forty-five million, three hundred ninety-four thousand, two hundred forty-five".

Divisors: 1 5 23 73 115 365 1679 8395 29231 146155 672313 2133863 3361565 10669315 49078849 245394245